Answers
Answer:
Hope this helped enjoy your day or night
Explanation:
Related Questions
The flocks all started with 10 birds. Flock
✔ Y
was the most successful at feeding, so it will have the greatest number in the second generation. Flock
✔ X
was the least successful at feeding and has shrunk the most.
Answers
t is likely that the most successful flock, Flock Y, was able to provide better nutrition and care for its birds, leading to better survival rates and higher reproductive success. As a result, the offspring of Flock Y would likely have a greater chance of surviving and reproducing themselves, leading to a larger second generation.
Conversely, Flock X was the least successful at feeding, which likely led to higher mortality rates and lower reproductive success. As a result, the offspring of Flock X would likely have a lower chance of surviving and reproducing, leading to a smaller second generation.
Answer the following questions:
How much water did you use each time you washed your hands? How much water use is this in a week? In a year? Show your calculations in the lab notebook.
How much water did you use each time you brushed your teeth? How much water use is this in a week? In a year? Show your calculations in the lab notebook
The Florida site suggested we all cut our water use by ten percent. What could you do to cut the water used for these two activities? Could you cut it by more than 10%? Explain.
How long was each of your showers? Use the Florida site to see what would happen to your annual water use if you cut two minutes off each shower. Would this be a feasible option for you? If you took baths instead of a shower, please answer these questions: How much water did you gather in the bathtub after your bath? Does this align with the amount of water suggested for baths on the Florida web site? Could you still have a good bath and use less water each time? How much water could you save each year with cutting back on your bathwater? Explain.
How could you help conserve water for your entire household?
What suggestions from the course activity website could you or your family follow to save water?
Looking at Data table #3, how did your hypothesis compare with your actual water use?
Write a one paragraph summary or conclusion explaining the results of your lab. Be sure to include at least 2 ideas that you can carry out on a regular basis to conserve water. Please make sure the data from your lab is included in this summary.
Answers
1. I used 1 gallon of water each time I washed my hands. This means that I used 7 gallons of water in a week and 365 gallons of water in a year.
2. I used 1 cup of water each time I brushed my teeth. This means that I used 7 cups of water in a week and 365 cups of water in a year.
What is hypothesis?In science, a hypothesis is an educated guess about how things work. It is a statement that can be tested to see if it is true. A hypothesis is not a fact, but it is a starting point for scientific inquiry.
3. The Florida site suggests that we all cut our water use by 10%. To cut my water use by 10% for washing my hands, I could turn off the faucet while I am lathering my hands with soap. To cut my water use by 10% for brushing my teeth, I could turn off the faucet while I am rinsing my mouth. I could also brush my teeth with less water.
4. My showers were each 10 minutes long. If I cut two minutes off each shower, I would save 2 gallons of water each time I shower. This would save me 140 gallons of water in a year. This is a feasible option for me because I do not need to shower for 10 minutes to get clean.
5. I do not take baths.
6. I could help conserve water for my entire household by fixing any leaks in the pipes. I could also install low-flow faucets and showerheads. I could also encourage my family to take shorter showers and to turn off the faucet while they are brushing their teeth.
7. Some suggestions from the course activity website that my family could follow to save water include:
Fix any leaks in the pipes.Install low-flow faucets and showerheads.Take shorter showers.8. My hypothesis was that I would use more water than I actually did. My actual water use was much lower than I expected. This is because I took steps to conserve water, such as turning off the faucet while I am lathering my hands with soap and while I am rinsing my mouth. I also brushed my teeth with less water.
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Organic substances needed in small quantities to maintain growth and metabolism are called
A. Proteins
B. Vitamins
C. Minerals
D. Fats
Answers
Answer:
i think the anwser is B or C
Explanation: since a and d are both vitamins therefore there incorrect you dont need just both of them to main growth unless you want to earn muscles but with a lot of vitamins you can maintain growth in many different ways i hope im correct
Photopigment genes are located on the X chromosome. Color blindness occurs when an individual has missing or damaged alleles. A woman who carries a damaged photopigment allele but has normal vision marries a man with normal vision. What is the probability that their son will be color blind
Answers
The probability that their son exhibits the 'color blind' trait is 0%. It is a type of inheritance linked to the X chromosome.
Inheritance linked to the X chromosomeIn men, the patterns of inheritance linked to the X chromosome don't follow conventional mendelian inheritance because men have only one X chromosome.
Conversely, women have two X chromosomes, thereby the inheritance pattern resembles Mendelian inheritance.
It is important to highlight that color blindness is a recessive trait on the X chromosome.
In this case, the mother is a carrier, thereby the probability of passing this trait as a carrier to her son is 50%, whereas the father is normal, thereby the probability of passing this trait to his son is 0%.
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The pre-australopith fossils are especially significant because they challenge some of the long-standing explanations of our evolutionary history. Describe two reasons the pre-australopiths force us to rethink the savanna hypothesis in particular. (Hint: Think about the anatomical traits of the pre-australopiths and the environmental and temporal context in which they lived.)
Answers
Two important reasons are listed here:
- Pre-australopithecines show evidence of bipedalism but they lived in forested areas
- Ardipithecus ramidus is a human ancestor that lived in a wooded environment approximately 4.2 to 4.5 million years ago
The savanna hypothesis states that early hominid traits were selected in response to increased aridity conditions and the emergence of savanna landscapes (i.e., open grasslands), as forests receded. This hypothesis enables us to understand better the evolution of bipedalism.
Pre-Australopithecines represent the oldest hominids that date from at least 7 to 4.4 million years ago (mya), depending on the species. Pre-australopithecines show evidence of bipedalism (and/or dentition similar to the later hominins who exhibit bipedalism), but it has been shown that they lived in forested areas. Therefore, this observation contradicts the savanna hypothesis which states that bipedalism evolved as an adaptation to the savanna.
Ardipithecus ramidus is a human ancestor dating to between 4.5 and 4.2 mya. The Ardipithecus ramidus fossils were discovered in Ethiopia alongside faunal remains, thereby indicating they lived in a wooded environment. In consequence, Ardipithecus ramidus fossils contradict the open savanna explanation for the origin of bipedalism.
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When DNA is condensed in a form that can be seen with a microscope as it prepares for cell division it is called?
Answers
Answer:
The condensed form of DNA that can be seen with a microscope as it prepares for cell division is called chromatin.
Explanation:
The crayfish, like some other animals, can regenerate lost appendages. It can
also undergo autotomy. Investigate autotomy in crayfish. What is it? How is it
related to regeneration?
Answers
Crayfish exoskeleton is the part of the creature which shows autotomy and regeneration.
What is autotomy?Autotomy or self-amputation is the behavior of an animal shedding or discarding one or more of its own appendages, frequently as a self-defense technique to elude a predator's grasp or to distract the predator and thus allow escape.
Are Autotomy and regeneration the same mechanisms?No. Autotomy and regeneration are different processes however they are similar:
Certain living organisms like crayfish exhibit two processes: autotomy and regeneration.The primary distinction between autotomy and regeneration is that during autotomy, body parts are eliminated or shed from the body, but during regeneration, body parts are replaced or formed into a new creature or the amputated body part is regrownHow does crayfish undergo autotomy and regeneration?Crayfish belong to the class of crustacenas which regularly shed their exoskeleton through autotomy and regrow a new one through regeneration.the exoskeleton is rigid and hence does not grow along the size of the creature which allows the creature to shed it off. this process is known as MOLTING.Crayfish molt because as their size grows, they must shed their hard exoskeletons and grow new, larger ones. A crayfish molts six to ten times throughout its first year of existence.Molting normally takes only a few minutes. On the back side, the crawfish's brittle exoskeleton breaks between the carapace (head) and abdomen (tail), and the crawfish normally retreats by tail flipping.hence autotomy and regeneration go along each other in crayfish.
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Why did the removal of wolves affect the entire Yellowstone ecosystem?
A. The ecosystem has a complicated series of interactions.
B. Wolves were the only predators in the ecosystem.
c. The wolves were the only producers in the ecosystem.
D. The wolves ate most of the species in the ecosystem.
Answers
Answer:
A
Explanation:
Since Wolves were one of the main predators (not the ONLY one) prey started to over populate causing the vegetation population to decrease. Since the vegetation decreases so does the number of prey then as well as the number of predators.
The removal of wolves from the Yellowstone ecosystem had a profound effect on the entire system. Wolves are apex predators, meaning they are at the top of the food chain, and their presence has a far-reaching impact on all other species in the environment.
What role do they play in balance of ecosystem ?Wolves, along with other predators, play an important role in maintaining the balance of the ecosystem by controlling the population of other species.
A. The ecosystem has a complicated series of interactions. The Yellowstone ecosystem is a complex web of interactions between species, and the presence of wolves is an integral part of this system.
Wolves are keystone predators, meaning that they have a disproportionately large impact on the environment relative to their numbers. Wolves hunt large game animals, such as elk and bison, which helps to keep their populations in check and prevent overgrazing.
This, in turn, helps to maintain the balance of the ecosystem and protect the health of the plants and other animals that depend on the vegetation for food. B. Wolves were the only predators in the ecosystem. When wolves were removed from the Yellowstone ecosystem, their role as a predator was not filled by any other species
. This had a dramatic effect on the balance of the ecosystem, as the large game animals such as elk and bison were no longer kept in check by predators. This led to an overpopulation of these species, which caused them to overgraze the vegetation and disrupt the delicate balance of the ecosystem. C.
The wolves were the only producers in the ecosystem. Wolves are also important producers in the ecosystem. As they hunt and feed on large game animals, they provide a source of nutrients for other species. This is especially important in the winter months, when other food sources may be scarce.
The presence of wolves helps to ensure that other species in the ecosystem have access to food and nutrients, which helps to maintain the balance of the ecosystem. D. The wolves ate most of the species in the ecosystem. This is not accurate.
Wolves do not eat most of the species in the ecosystem, but rather they help to control the populations of certain species, such as elk and bison, which helps to maintain the balance of the ecosystem.
Therefore, The presence of wolves also helps to ensure that other species have access to food and nutrients, which helps to maintain the health of the entire ecosystem.
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A bacterium called Salmonella can cause
food poisoning.which kingdom is it in?
Answers
Answer:
monera kingdom
Explanation:
Answer:
The kingdom is Monera Kingdom
Explanation:
There are three sources of genetic variation in sexual reproduction. Determine which of the following statements accurately describes which of these are considered random and which are not
Answers
Genetic recombination and independent assortment are considered random sources of genetic variation, while mutations can occur randomly or due to specific factors.
In sexual reproduction, the three sources of genetic variation are genetic recombination, independent assortment, and random mutations. Among these sources, genetic recombination and independent assortment are considered random processes, while mutations are not entirely random.Genetic recombination occurs during meiosis when homologous chromosomes exchange genetic material through crossing over. This process is considered random as the precise locations where recombination events occur are unpredictable.Independent assortment refers to the random alignment and separation of homologous chromosomes during meiosis I. The random positioning of maternal and paternal chromosomes contributes to genetic diversity in offspring.On the other hand, mutations are not entirely random as they can be influenced by various factors such as exposure to mutagens or errors in DNA replication. However, the specific mutations that occur at particular loci are generally considered random events.Therefore, the accurate statement would be that genetic recombination and independent assortment are considered random sources of genetic variation, while mutations are influenced by both random and non-random factors.For more such questions on Genetic variation:
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brown rabbits have the genotype BB or Bb. White rabbits have the genotype bb. If two brown rabbits, with the genotypes seen in the Punnett square above, have baby rabbits, what is the probability that the baby rabbits will also be brown?
a) 25%
b)50%
c)75%
d)100%
Answers
Explanation:
BB: brown
Bb: brown
bb: white
Since you didn't give the variables, here is how you make a punnet square:
Make a box with four boxes inside.
_______________
| | |
| | |
_______________
| | |
| | |
_______________
Put the variables on each side:
Example:
____B_____b____
B| | |
| | |
_______________
b| | |
| | |
_______________
then fill in :
____B_____b____
B| BB | Bb |
| | |
_______________
b| | |
| Bb | bb |
_______________
The diagram below shows a food web in a woodland.
If a certain organism is a secondary consumer, what best explains its position in the food web?
a
X, because organism X feeds on producers
b
Y, because organism Y feeds on producers
c
X, because organism X feeds on a carnivore
d
Y, because organism Y feeds on a herbivore
Answers
The are the plants, algae, and other organisms that can make their own food.
Answers
Autotrophs are plants, algae, and other organisms that can make their own food.
These organisms are called autotrophs, which translates to "self-feeders." Autotrophs play a crucial role in ecosystems as primary producers, forming the foundation of food chains and providing sustenance for other organisms. Photosynthesis is a complex biochemical process that occurs in the chloroplasts of plant and algal cells.
It involves the conversion of light energy from the sun into chemical energy in the form of glucose. Autotrophs accomplish this by utilizing pigments, primarily chlorophyll, to absorb light energy. During photosynthesis, autotrophs take in carbon dioxide from the atmosphere and water from the environment. With the aid of sunlight, these raw materials are transformed into glucose and oxygen.
Glucose serves as an energy source for organisms, while oxygen is released back into the atmosphere as a byproduct. This ability to synthesize their own organic compounds from inorganic substances gives autotrophs a distinct advantage.
Autotrophs exist in various forms, including land plants, such as trees, grasses, and flowers, as well as aquatic plants like seaweeds and pond algae. Additionally, certain bacteria and protists are capable of photosynthesis, broadening the range of autotrophic organisms.
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What is A Brain? Write its parts name. and explain .
Answers
Answer and Explanation:
The brain is composed of three main structures, the cerebrum, cerebellum, and brain stem. The brain sends chemical and electrical signals throughout the body to regulate different biological functions and sense environmental changes. The brain communicates with the majority of the body through the spinal cord.
In addition to Tox. 3, the researcher also discovers a related compound, which they creatively name Tox4. Tox4 causes lower than normal concentrations of H+ ions in the intermembrane space of the mitochondria. Which of these is NOT a likely mechanism of Tox4 given this information?
A. Tox4 acts as the final electron acceptor in the ETC
B. Tox4 prevents cxygen from entering the mitochondria
C. Tox4 prevents the donation of electrons to the ETC by NADH
D. Tox4 causes H+ ions to freely diffuse across the inner mitochondrial membrane
Answers
Answer:
The correct answer is option A. "Tox4 acts as the final electron acceptor in the ETC".
Explanation:
ATP synthase is an enzyme that catalyze the production of ATP in mitochondria. This enzyme acts by the presence of a proton gradient created in the intermembrane space during the electron transport chain (ETC) that is created in the mitochondria. If Tox4 causes lower than normal concentrations of protons in the intermembrane space, Tox4 is a compound that prevents the creation of the concentration gradient and prevents ATP synthase action. Therefore, Tox4 likely does not act by serving as the final electron acceptor in the ETC because this would promote the creation of the concentration gradient, which would be the opposite of Tox4 activity.
Word Bank:
Cell wall, cell membrane, capsid, nucleus, mitochondria, membrane-bound organelles, central vacuole, made of cells, requires host cell, grow and reproduce, can obtain energy, may cause disease, antibiotics may be used to treat infection, vaccines are used to prevent infection, living thing, DNA, and RNA.
From the word bank above list each beside Prokaryotic, Eukaryotic, and virus. All words may be used more than once.
Prokaryotic cells:
Eukaryotic cells:
Viruses:
Answers
Prokaryotic cells: cell wall, cell membrane, nucleus, central vacuole, made of cells, can obtain energy, grow and reproduce, DNA, and RNA.
Eukaryotic cells: cell wall, cell membrane, nucleus, mitochondria, membrane-bound organelles, central vacuole, made of cells, can obtain energy, grow and reproduce, DNA, and RNA.
Viruses: capsid, requires host cell, may cause disease, antibiotics may be used to treat infection, vaccines are used to prevent infection, living thing, DNA, and RNA.
What are viruses?Viruses are small infectious particles that propagate solely inside living cells of other organisms. Their structure comprises genetic material bound by a protein coat called a capsid, with some viruses displaying an additional lipid envelope surrounding the capsid.
Since viruses cannot self-reproduce, host cells are crucial to their replication and production.
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Describe how replacing diesel/petrol fueled vehicle to electric-operated vehicles may change the environment
Answers
Answer:
By reducing the amount of carbon dioxide emissions contributing to global warming
Explanation:
Global warming is an arising problem caused by the emission of gases called GREENHOUSE GASES into the Earth's atmosphere. The greenhouse gases include Carbon dioxide, methane etc.
Carbon dioxide as the principal cause of global warming is emitted when fossil fuels like petroleum products like diesel or petrol are burned. Therefore, the use of automobiles like cars releases CO2 into the atmosphere. Therefore, replacing diesel/petrol fueled vehicle to electric-operated vehicles may change the environment by reducing the amount of greenhouse gases (CO2) emitted into the atmosphere, ultimately helping to reduce global warming.
Which statement correctly describes glucose (CGH120.?
It is made of matter and contains twenty-four molecules.
It is an element made of three types of atoms.
It is an atom made up of carbon, hydrogen, and oxygen.
It is a compound made of twenty-four total atoms of three different elements
Answers
Answer:
It is made of matter and contains twenty-four molecules.
Why does a cat comes near when show it milk and runs away when you show it stick ?
Answers
Cats have evolved certain behaviors that are influenced by their natural instincts and experiences.
When a cat sees milk, it may be attracted to it because it contains nutrients that are important for its survival, and the cat may associate the presence of milk with positive experiences. This can include nursing from its mother as a kitten or catching and consuming prey that contains milk or milk products.
On the other hand, when a cat sees a stick, it may perceive it as a threat or danger, and may associate it with negative experiences, such as being hit or attacked by a predator. This can trigger the cat's natural instinct to flee or hide from potential danger, as a survival mechanism.
Overall, a cat's behavior is influenced by its instincts, past experiences, and environmental cues. It may approach things that it perceives as positive or beneficial, and avoid or flee from things that it perceives as dangerous or threatening.
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there were 3 single people on a plane and 4 couples and the plane crashed not a single person lived how many people are alive?
Answers
Answer:
None
Explanation:
The numbers are just to trick you. The text says," the plane crashed and not a single person lived. Good luck and Have a wonderful day.
Answer:
0 if no one survived
Explanation:
well u said 3 singles and 4 couples but u never said the captain so 1 can be alive but if no one survived then 0
What is air pollution and state the effect of air pollution
Answers
Answer: Air pollution is a substance in the atmosphere that is harmful to living beings and can cause damage to the climate.
some effects of air pollution is lung cancer, respiratory disease. Air pollution can also cause long term nerve, brain and kidney damage.
Deforestation in the Amazon affects the ____ through increased flooding, ocean warming, more tropical cyclones and more pollution
Answers
Deforestation in the Amazon affects the global climate through increased flooding, ocean warming, more tropical cyclones, and more pollution.
What is deforestation?Deforestation, which involves the removal of trees and other vegetation, results in the release of carbon dioxide into the atmosphere and reduces the amount of oxygen produced by the forest. This contributes to global warming and climate change.
Moreover, the Amazon rainforest plays a crucial role in the water cycle and helps to regulate regional and global weather patterns. Deforestation disrupts the water cycle, causing increased flooding in some areas and droughts in others. This can lead to severe consequences, such as soil erosion, loss of biodiversity, and displacement of indigenous communities.
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Convert the following decimal fraction into percentage
0.79= %
Answers
Answer:
79%
Explanation:
0.79=79/100
So this means 0.79=79%
Hope this helps
Neurons are brain cells. Where would a new neuron come from?
bacteria
nonliving matter
other cells
food
Answers
Answer:
I think C
Explanation:
New neurons are born not from mature nerve cells but rather develop from neural stem cells that remain in our brains throughout life. Indeed, in some brain areas, there is continual turnover of neurons - old ones die and new ones are born - and these new neurons can participate in circuits that underlie learning.
Answer:
Its C.
Explanation:
I got it right on edge2020
what organs does muscular disorder affects?
Answers
Muscular disorders can affect the skeletal muscles, which are the muscles that allow us to move our body, as well as the smooth muscles and cardiac muscles.
Myopathies, or muscular disorders, can have an impact on a number of the body's organs and systems. Since these disorders have an effect on the composition, structure, or metabolism of muscle tissue, they have the greatest direct effect on the muscular system.
This may result in symptoms such as muscle atrophy, cramps, stiffness, and weakness. However, because the heart, lungs, and digestive system depend on healthy muscle function to do their jobs well, the effects of muscular disorders can also spread to those organs.
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The light reactions produce ________, which are used in the Calvin cycle. The Calvin cycle produces ________, which are in turn used in the light reactions.
Answers
The light reactions produce ATP and NADPH, which are used in the Calvin cycle. The Calvin cycle produces glucose and other organic compounds, which are used in the light reactions.
The light reactions in photosynthesis produce ATP (adenosine triphosphate) and NADPH (nicotinamide adenine dinucleotide phosphate), which are used in the Calvin cycle. During the light reactions, light energy is captured by chlorophyll and other pigments, which initiates a series of reactions that generate ATP through photophosphorylation and NADPH through electron transport. These energy-rich molecules are then utilized in the Calvin cycle.The Calvin cycle, also known as the dark reactions or the light-independent reactions, takes place in the stroma of chloroplasts. It utilizes ATP and NADPH from the light reactions, along with carbon dioxide (CO2), to produce glucose and other organic molecules through carbon fixation. This process involves a series of enzymatic reactions, such as carbon dioxide fixation, reduction, and regeneration of the starting molecule, ribulose-1,5-bisphosphate (RuBP).Thus, the light reactions provide ATP and NADPH to the Calvin cycle, while the Calvin cycle produces glucose and other organic compounds that can be used as energy sources or for building cellular structures.For more such questions on Calvin cycle:
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What are mitochondria ribosome and cytoplasm ? Cells Tissues Organelles organs
Answers
Ribosomes are the things that process proteins in the cell for the body
Cytoplasm is the semi fluid substance of a cell that is external to the nuclear membrane and internal to the cellular membrane
Cells are a fundamental structural unit of living matter
Tissue makes the difference between cells and complete organs, they hold the shape of the cell
An organelle is a tiny cellular structure that performs specific functions within a cell.
An organ is a group of tissues with similar functions
Humans can have a tremendous impact on the environment as well. List the 6 categories of human created environmental stresses.
Answers
Answer:
overpopulation, pollution, burning, fossil fuels, and deforestation
Explanation:
these are ways that human's impact are physical environment.
Space travel has come a long way since Laika, but there are still many celestial bodies waiting to be explored. What do you think will be the biggest space mission of the twenty-first century? What challenges do you anticipate that the humans or space probes will experience on this journey? What specific accommodations or technological advancements will be needed to make the mission successful?
Answers
Answer:
NASA's Artemis program has a goal of landing humans on the moon in 2025 to begin building a base camp. This long-term human presence on the lunar surface will help NASA prepare for human space exploration missions of greater distance and duration, including an eventual crewed flight to Mars. Space can help us prepare the feutre Space exploration allows us to prove or disprove scientific theories developed on Earth. Studying the solar system, for example, has brought us insights into such phenomena as gravity, the magnetosphere, the atmosphere, fluid dynamics and the geological evolution of other planets. That has led to the development of various technologies that feed back into the economy and improve our lives on Earth. Without space programs, we wouldn't have GPS, accurate weather prediction, solar cells, or the ultraviolet filters in sunglasses and cameras.
Explanation:
There hope it helps Also you could've done a little bit of resheerch skimmed a cupple sights to get an idea on what to wright about then go from there its just an idea thoe
We have learned more about gravity, the magnetosphere, the atmosphere, fluid dynamics, and the geological evolution of other planets, for instance, through studying the solar system. This sparked the creation of numerous technologies that benefit the economy and enhance life on Earth.
What specific accommodations, technological space travel?In 2025, astronauts will be sent to the moon as part of NASA's Artemis mission to begin creating a base camp. This prolonged human presence on the moon's surface will help NASA get ready for longer-duration human space flight missions, such a possible crewed trip to Mars.
Additionally, you could have done some research by scanning a few websites to get an idea of what to write about before moving on from there.
Therefore, We wouldn't have GPS, precise weather forecasting, solar cells, or ultraviolet filters in eyeglasses and cameras without space missions. We can prepare the feutre by using space. We can use space travel to support or refute scientific hypotheses that were formed on Earth.
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10. Darius wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly. a. Independent Variable (IV): b. Dependent Variable (DV); C. Control: d. Constants:
Answers
Independent Variable: Mass of plane
Dependent Variable: Distance plane flies
Control: Plane without paper clips
Constant: Type of paper, how it was thrown.
Paper clips can serve as temporary hangers for lightweight objects like miniature picture frames or strings of festive lights. The collection can be displayed on the wall using tape or hooks once each item has been fastened to a paper clip. A paper plane is a model airplane that is often formed using a single folded sheet of paper or paperboard as a glider.
A paper dart is a straightforward, nose-heavy paper airplane that is hurled like a dart. Paper aircraft are actually gliders that use altitude to propel themselves forward. When the air pushes up harder than the air pushing down above an airplane wing, lift is created. The differential in pressure is what makes it possible for the plane to fly.
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