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The mantle has less aluminum and silicon than the crust does.

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The mantle has less aluminum and less what than the crust does?

The mantle has less aluminum and less silicon than the crust does.


The mantle has less aluminum and less than the crust does.?

silicon


The mantle is denser than the crust because it contains more what?

The mantle is denser than the crust because it contains more iron and magnesium-rich minerals. These minerals have a higher density compared to the minerals found in the crust, such as silica and aluminum.


What makes up the mantle?

magnesium and a little bit of aluminum and silicon


What has less density--the crustal rocks or the mantle rocks?

Crustal rock is normally less dense than mantle rock.


Mantle layer with more convection Mantle layer with less convection?

The mantle layer with more convection is the upper mantle, which has a higher temperature and undergoes vigorous convection currents. In contrast, the lower mantle has less convection due to its higher pressure and lower temperature, leading to slower convective movement.


Continents float on the Earth's mantle because continental rocks are 'blank' than mantle rock.?

Continental rock is less dense than mantle rock.


Do the plates float on the mantle?

Tectonic plates float on the mantle because they are less dense


Why do the plates float on the mantle?

Tectonic plates float on the mantle because they are less dense


What are the layers of the Earth in order starting at the outermost layer and going inward Core Mantle layer with more convection Moho barrier Mantle layer with less convection?

1st-moho barrier2nd-mantle layer with more convection3rd-mantle layer with less convection4th-core


What layer is made of magnesium and smaller amounts of aluminum and silicon?

earths mantle is made of silicon,iron,aluminum,calcium,sodium,potassium,magnesium,and mostly oxygen


Why is an aluminum nail less dense than the actual element?

An aluminum nail that is less dense than the element aluminum would not be made of pure aluminum, but would have to be an alloy of aluminum and some other substance. If an aluminum nail is made of pure aluminum, it would have the same density as the "actual" element.