the rock pumice often floats yet the density of the rock is greater than water. why does it float?

Most of the rocks at earth's surface would have formed during the Phanerozoic eon.

The rock cycle is the process through which rocks are formed, changed, and recycled over time. This process includes the formation of igneous, sedimentary, and metamorphic rocks.

The Phanerozoic eon is the most recent eon in Earth's history, beginning about 541 million years ago and continuing to the present. This eon is characterized by the presence of abundant, complex life and the formation of many of the rocks that we see at earth's surface today.

During the Phanerozoic eon, the earth's surface has undergone significant changes, including the formation of mountains, the opening and closing of oceans, and the shifting of continents. These processes have contributed to the formation of many of the rocks that we see at earth's surface today.

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Answer:

2,144.7

Explanation:

Answer:

2,144.7 is correct

Explanation:

In 2007 in the United States there were approximately 480 cars for every 1,000 people. The total number of cars in the United States in 2007 was closest to 150,000,000. Option C is the correct answer.

301.2 million people called the United States home in 2007. There were 48% of persons who owned cars. Multiplying 301.2 million by 48% results in 301,200,000 multiply 48/100, which equals 144,576,000. it equates to 150,000,000. Option C is the correct answer.

Huge power plants and sputtering smokestacks, two of the most typical representations of climate change, would benefit from a minor modification. For the first time in more than 40 years, transportation—including automobiles, trucks, aircraft, trains, and ships—instead of power production is the United States biggest source of greenhouse gas pollution. Our well-being is impacted by pollution from cars, which also contain climate change-causing gases called greenhouse gases. The most prevalent greenhouse gas created by humans, carbon dioxide, is also released by cars. Option C is the correct answer.

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Answer:

this is because the continents where in diffrent positions then the outer most parts where more tropicle and the ferther you went into the mass the more it resembled a desert as the continents moved the plants started to change and adapt and the tropicle plants started to reduce to islands and some costal regions the continents eventualy had compleatly diffrent climats the northern and southern had always bin on oposite sides of seasons which gave the life on the planet room to evolve.

Explanation:

The eco-system of the planet depends hea-vily on the health of the world's rain-forests. The environ-ment is significantly impacted by the grow-ing human population, including habit-at loss, pollution, de-forestation, & resource depletion.

Using natural resources like mine-rals, fossil fuels, and wood has a big impact on the eco-system. They ser-ve as a carbon sink, re-moving a significant am-ount of carbon di-oxide from the atmo-sphere while generating oxygen, a neces-sary compo-nent of life. Millions of species of plants & animals, many of wh-ich are unique to the earth, can be fou-nd in rain-forests.

Natural resource exploit-ation and process-ing may lead to soil ero-sion, water & air pollution, & habitat de-gradation. The burn-ing of fossil fuels, in part-icular, emits significant vol-umes of carbon di-oxide into the atmo-sphere, leading to cli-mate change.

The environ-ment is significantly impact-ed by the grow-ing human population, including habit-at loss, pollution, deforest-ation, & resource depletion.

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Answer:

The Earth contains five major wind zones: polar easterlies, westerlies, horse latitudes, trade winds, and the doldrums. Polar easterlies are dry, cold prevailing winds that blow from the east. They emanate from the polar highs, areas of high pressure around the North and South Poles.

Answer:

Option 1 and Option 2

Explanation:

They must be 30 years of age and live in a US state. I would also say the last option could have been correct except its a year off. You have to be a U.S. citizen for at least 9 years not 10 years.

(have a great day!)

Answer:

B

Explanation:

Rocky shores are likely to have more biodiversity than sandy shores due to the following reasons: There are more crevices, pools, and holes for species to live in.

Rocky shores are much more stable than sandy shores because the rocks break up wave energy and act as a barrier. Animals that cling to rocks are less likely to be washed away or buried in sediment during storms, which aids in their survival.Sandy shores are constantly changing. The sediment can be deposited and removed quickly, making it a challenging environment to establish a habitat.

Animals that rely on burrowing in sand to hide or make homes are also at risk of being crushed if the sand shifts. Rocky shores offer a range of habitats, such as pools and cracks, for various marine organisms to live in. They also serve as a source of food and nutrients for many animals, such as algae and other microscopic plants and animals, which grow on the rocky surfaces. Rocky shores also have more nutrients, such as nitrogen and phosphorus, which can boost the productivity of the species that live there.

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Ocean ridges are been  formed due to The upwelling of magma from the asthenosphere.

What is Ocean ridges?

Mid-ocean ridges can be regarded as a process which do occur along divergent plate boundaries.

This occurrence do happen where new ocean floor is created when the Earth's tectonic plates spread apart.

Therefore, option B is correct.

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Answer:

B

Explanation:

edgen 2022

Answer:

Explanation:

It is too hard for a middle school kid to answer

It can be challenging for any country to find a balance between freedom and equality because it is a complex process. The issue comes from the reality that encouraging equality sometimes requires limiting individual freedoms. And, encouraging freedom regularly ends in promoting inequality. Because rewards are reliant on individual efforts and skills, free markets, for example, frequently favour some people over others.

On the other hand, centrally planned economies often distribute resources more fairly, but at the price of restricting personal freedoms like the ability to be self-employed or choose a line of work. To build a stable society where everyone has opportunities and rights without sacrificing one's own preferences or ideas, the right balance must be found.

Governments must create policies that promote equality and freedom while reducing conflicts between them in order to resolve these conflicting objectives. Since no one answer will work in every situation, careful thought and compromise are required.

Therefore, finding a balance between freedom and equality continues to be a major problem for governments all over the world.

Balancing freedom and equality is challenging due to the inherent tension between these two concepts. Achieving both requires careful consideration and often involves trade-offs. Societal and cultural factors can complicate the balancing act.

In many countries, balancing freedom and equality can be difficult due to the inherent tension between these two concepts.

Freedom implies the ability to act and make decisions without interference, while equality suggests that individuals should have equal rights and opportunities.

Achieving both can be a challenge because the exercise of freedom by some individuals or groups may result in inequality for others.

For example, guaranteeing freedom of speech may allow individuals to express their opinions freely, but it can also lead to hate speech or discrimination.

On the other hand, enforcing strict equality can limit individual freedoms and stifle innovation.

Striking the right balance between these two values requires careful consideration and often involves trade-offs.

Furthermore, societal and cultural factors can also complicate the balancing act. Different countries have different historical, political, and cultural contexts that shape their understanding of freedom and equality.

What may be considered an acceptable balance in one country may be viewed as imbalanced in another.

Additionally, power dynamics, economic disparities, and social divisions within a country can further complicate efforts to achieve a harmonious balance between freedom and equality.

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Answer:

A

Explanation:

non-government organisation (NGO) pls follow

Answer: im not entirely sure but i would like to believe microfinance programs i hope this helps you lad :)

Explanation:

have a great day :)

Answer: The gulf Stream/D

Explanation:

hope this hepls!

Answer:

c

Explanation:

beacause there connection they could geteconomic mutal benefit

The given  statement "Groundwater reservoirs are stationary with no movement or flow. true false question." is False because groundwater reservoirs are not stationary; they exhibit movement and flow.

Groundwater refers to the water that saturates the spaces between soil particles and rocks beneath the Earth's surface. It is part of the hydrological cycle, where water moves through various stages and pathways. Groundwater moves through porous materials, such as soil and rocks, due to the force of gravity and pressure gradients.

It flows slowly through interconnected spaces called aquifers, which can be found at various depths within the Earth's crust. The movement of groundwater is influenced by factors like topography, permeability of the geological formations, and hydraulic gradients. It can flow horizontally and vertically, following paths of least resistance.

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The axes of rotation of the planets not found to align perpendicular to the ecliptic because the apparent location of the Sun takes a year to accomplish a full round of the ecliptic because Earth takes a year to orbit the Sun.

The ecliptic plane is coplanar with Earth's equatorial plane, but they are inclined to one another by an angle of around 23.4° because Earth's rotating axis is not perpendicular to its orbital plane. This angle is referred to as the ecliptic's obliquity. When the equator is pushed outward to the celestial sphere, it crosses the ecliptic at two places known as the equinoxes.

The Sun crosses the celestial equator at these locations in its apparent travel along the ecliptic, one from south to north and the other from north to south. The vernal equinox, also known as the first point of Aries and the ascending node of the ecliptic on the celestial equator, marks the passage from south to north.

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The most significant issue impacting Brazil is Option B. Illegal logging.

Illegal logging is the felling, cutting down, or removal of trees from forests, land that is legally designated to remain forested or government-owned land without permission, license, or authorization from either the landowner or relevant authorities. Illegal logging is typically associated with organized crime and is considered one of the most severe threats to tropical forests worldwide.

In Brazil, the Amazon rainforest, which accounts for about half of the world's tropical forest area, is the primary target of illegal logging. The Amazon rainforest is known for its biodiversity and as the lungs of the earth, producing about 20% of the world's oxygen. It also contributes significantly to global weather systems. The impacts of illegal logging on the Amazon are numerous and severe.

Deforestation leads to the displacement of indigenous communities, soil erosion, landslides, and the destruction of habitat, which can lead to the extinction of endangered species, including plants and animals. It also leads to climate change since deforestation contributes to carbon emissions.

The Brazilian government has implemented measures to curb illegal logging and reduce deforestation, such as increased law enforcement, forest monitoring, and supporting indigenous land rights. However, these efforts face several challenges, including corruption, weak enforcement of laws, and the high demand for illegal timber. Therefore, the correct option is B.

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Clay and muddy deposits petrify into shale and mudstone. Peat is believed to be the original material from which coal is formed.

Wacke is a sandstone containing more than 15% mud (silty and clay-sized particles). Sandstone is one of the most common types of sedimentary rocks. Mudstone consists of fine granular masses (silt and clay size).

Considering only grains of the size of a grain of sand, containing more than 90% quartz is called quartz . When they contain more than 10% feldspar and contain more feldspar than rock fragments, they are called feldspar arenite or arcos arenite (or simply arcos).

Mud-rich sediments are common in river delta areas, marshy coastal areas, tidal flats, lakes and deep-sea areas. Mudstone is a fine-grained sedimentary rock formed by compaction and cementation (petrification) of silty deposits (although it may contain some fine sand and clay).

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Answer:

its in Wikipedia go type south east to north west

Explanation:

its actually kind of a angle from in between north and west and also in between south and eastb

If a person wanted to go southeast, the magnetic needle of the compass would be positioned between south and east.

A compass is a machine or a device that depicts the cardinal directions that are essential for navigation.

Simply put, it is used for finding direction. See the attached image for a compass that is pointing between the south and the east.

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I believe the answer you're looking for is B. Hammurabi's

Hope this helps!

The presence of Mo carbide species prepared ex-situ in the Mo/HZSM-5 catalyst can positively impact the catalytic properties in methane aromatization. It can enhance the catalytic activity and improve the selectivity towards aromatic compounds.

The presence of Mo carbide species prepared ex-situ in Mo/HZSM-5 can have an impact on the catalytic properties in methane aromatization.

1. Mo carbide species: Mo carbide species refer to the formation of molybdenum carbide compounds. These compounds can be prepared separately (ex-situ) and then added to the Mo/HZSM-5 catalyst.

2. Mo/HZSM-5: Mo/HZSM-5 is a catalyst composed of molybdenum (Mo) and HZSM-5 zeolite. This catalyst is commonly used in methane aromatization reactions.

3. Catalytic properties: The catalytic properties refer to the characteristics of the catalyst that influence the chemical reaction. In the case of methane aromatization, the properties of the catalyst can affect the conversion of methane into aromatic compounds.

4. Impact on methane aromatization: The presence of Mo carbide species in the Mo/HZSM-5 catalyst can enhance its performance in methane aromatization. The Mo carbide species can provide active sites for the reaction, leading to higher conversion rates and selectivity towards aromatic compounds.

5. Enhanced catalytic activity: The Mo carbide species can enhance the catalytic activity by promoting the activation of methane molecules and facilitating the formation of aromatic compounds. This can result in improved yield and efficiency in the methane aromatization process.

6. Selectivity towards aromatics: The presence of Mo carbide species can also influence the selectivity of the catalyst towards aromatic compounds. It can favour the formation of desired aromatic products while minimizing the production of unwanted by-products.

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Answer: False

Explanation: Our Solar System is not home to billions of stars. The Solar System refers specifically to our star, the Sun, and the various celestial bodies that orbit around it, such as planets, moons, asteroids, and comets.

Stars are massive, luminous spheres of plasma that generate heat and light through nuclear fusion.  While our Solar System does contain numerous celestial objects, including eight planets, more than 200 known moons, and countless asteroids and comets, it does not host billions of stars.

The Milky Way galaxy, in which our Solar System is located, is estimated to contain hundreds of billions to over a trillion stars.  However, these stars are spread out over vast distances within the galaxy, and only a small fraction of them are visible to the bare eye from Earth.

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Both Europa and Earth's Moon have cratered surfaces, created by impacts from asteroids and comets.

Both Europa and Earth's moon are tidally locked with their host planets, meaning that they always show the same face to their planets. This is because the gravitational force of the planets on the moon causes the moon to rotate at the same rate at which it orbits, so the same side of the moon is always facing the planet.

This is why we always see the same face of the Moon from Earth - it's because the Moon is tidally locked with Earth. Europa experiences the same phenomenon with Jupiter.

In addition to being tidally locked, both bodies have been heavily shaped by the gravitational forces of their planets. Europa's surface is covered with cracks and ridges due to the tidal forces of Jupiter, while Earth's moon has been heavily cratered by meteor impacts. Both bodies have also experienced volcanic activity in their past, which helps explain the relatively young surfaces of both.

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Answer:

x=-1

Explanation:

5-x=4

-5    -5

x=-1

Explanation:

you should also write 1234 but you no so ans is ۔the ability to know each location shown on a map

Answer:

A mineral is a pure substance with a specific composition and structure, while a rock is typically a mixture of several different minerals (although a few types of rock may include only one type of mineral). Examples of minerals are feldspar, quartz, mica, halite, calcite, and amphibole.

Explanation:

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Pyroclastic flows are fast-moving clouds of superheated gas, ash, and rock that erupt from a volcano. They can travel down the sides of a volcano at speeds of up to 450 miles per hour and can be extremely dangerous and deadly. One type of eruption that can produce pyroclastic flows is a Plinian eruption.

Plinian eruptions are named after the Roman historian Pliny the Younger, who witnessed the eruption of Mount Vesuvius in AD 79. These eruptions are characterized by a vertical column of ash and gas that rises high into the atmosphere, creating a mushroom-shaped cloud. The ash and other material that is ejected from the volcano can be carried for hundreds of miles by the wind.

In addition to the ash and gas column, Plinian eruptions can also produce pyroclastic flows. These flows occur when the ash and rock fragments that are ejected from the volcano are too heavy to stay in the air and fall back to the ground. This material can accumulate on the sides of the volcano and form a debris avalanche, which can then turn into a pyroclastic flow as it picks up speed and becomes superheated by the volcano's magma.

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