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Approximately eight miles deep, thinner in some spots in the ocean by up to two miles, our top layer of "crust" gives way to a molten rock layer called the "mantle."

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What is most of the earths mass in?

Most of the mass of the Earth is in the mantle, most of the rest in the core; the part we inhabit is a tiny fraction of the whole


Why do composite volcanoes occur at the boundary between oceanic crust and continental crust?

The simple answer: Oceanic crust is more dense than the continental crust, so it goes under as the two plates ram into each other. (This is called subduction) This submerged crust melts into magma, and collects into a large pool under the continental plate where it went under. The pool of magma forces its way up to form a volcano, which sits in front of us and blows when least expected. The whole process takes a very long time. Also, it only happens in convergent boundaries.


What does a proportional time scale show?

how different parts of earths history compare to the whole world


What percent do Ca and Na make up the earth's crust?

can you tell me the answer with out a whole lot of qustions and answers


Why is oxygen the most common element in earths crust but not in earth as a whole?

Oxygen is the most abundant element in Earth's crust primarily because it readily forms compounds with other elements, particularly silicon, to create minerals like silicates. However, in the Earth's overall composition, the core is rich in iron and nickel, which are denser and more prevalent than oxygen. Additionally, gases such as hydrogen and helium are more abundant in the universe, contributing to the lower proportion of oxygen in the Earth's total mass. Thus, while oxygen dominates the crust, it is less significant in the denser, metallic core and mantle.

Related Questions

If the earths crust separates at divergent boundaires and creates new crust why doesnt the earth grow in size?

This is because the size of the earth is relative stable or constant. Geologic activities do not actually changes earth size as a whole, but rather reshapes and resizes its landforms and continents. All that happen is just a recycling process whenever the earths crust seperates at divergence a boundary its being consumed somewhere else at a convergence boundary. And so on and on it goes, by this the earths overall size is maintained.


The depth of the Earths crust compared to the rest of the Earth is comparable to the?

The depth of Earth's crust is significantly smaller compared to the rest of the Earth, like the thickness of an apple peel compared to the size of the whole apple. The Earth's crust is only about 1% of the Earth's total diameter.


How many earth's go into Saturn?

94 whole earths 94 whole earths


How many calories in a little ceasers pizza?

It depends on what size pizza you get, the toppings, and the kind of crust. But the numbers for the average pizza (medium cheese, thick crust) are about 240 calories for 1/8 of the whole pizza.


What is most of the earths mass in?

Most of the mass of the Earth is in the mantle, most of the rest in the core; the part we inhabit is a tiny fraction of the whole


What is a whole in the Earth's crust called?

It means the hemesphere


What is the highest mountain in the whole universe?

Mt. Olympus Mons could easily cover the state of Wyoming. It's almost three times taller than Mt. Everest, Earths tallest mountain. Mars has a thick, frozen crust that can support a lot of mass without cracking that's why it can carry a heavy object like the mighty Olympus mons.


How does plate tectonics make earthquakes?

when plate tectonics move too quickly, everything gets out of place and that causes an aftershock. even if you have a GPS, if you go somewhere, it might or might not be the right place, since the whole earth, and the earths crust is moving. :D your welcome !


What plate of earth do humans live on?

we live on the crust of the whole earth


Why do composite volcanoes occur at the boundary between oceanic crust and continental crust?

The simple answer: Oceanic crust is more dense than the continental crust, so it goes under as the two plates ram into each other. (This is called subduction) This submerged crust melts into magma, and collects into a large pool under the continental plate where it went under. The pool of magma forces its way up to form a volcano, which sits in front of us and blows when least expected. The whole process takes a very long time. Also, it only happens in convergent boundaries.


Can you substitute whole wheat flour in pie crust?

Yes, you can substitute whole wheat flour in pie crust, but it will result in a denser texture and a nuttier flavor compared to all-purpose flour. It's often recommended to use a blend of whole wheat and all-purpose flour for a lighter crust. Additionally, you may need to adjust the liquid in the recipe, as whole wheat flour absorbs more moisture.


Is earths atmosphere in space?

Yes. It is in space just like the whole planet Earth.