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What causes the earths crust to rise and fall?
The sudden vibration in the plates inside the crust causes the earths crust to rise & fall.
What is the percentage of iron in the earth crust?
In terms of weight, iron makes up approximately 5% of the earths crust, the fourth most abundant element in the crust. However, remember Earth's Core is nearly all Iron.
Why is the stress the earths crust?
The earth's crust is not stress
Which is not one of the eight common elements in earths's continetial crust?
Helium is not one of the eight common elements in Earth's continental crust. The eight common elements are oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium.
What forms the elevated part of the earths crust?
continental crust
What percentage of carbon is made up of earth's crust?
About 7% of the earths crust
What is the percentage of the earths crust?
The percentage of Earth's crust is less than one percentage in terms of Earth's volume. The Earth's crust is actually a thin layer.
What is silvers abundance in the Earths crust?
its the percentage in mass !
Percentage of the exposed earths crust occupied by mountains is?
6%
What does rocks in earths mantle contain a higher percentage of what than rocks in earths crust?
iron and magnesium
What percentage of earths crust is made up of alkali earth metals?
5.4%
What rock makes up most of earths crust and what percentage is it?
90 persent and lava
What is the iron percentage in the earths crust?
In terms of weight, iron makes up approximately 5% of the earths crust, the fourth most abundant element in the crust. However, remember Earth's Core is nearly all Iron.
Is helium poisenous?
No however the lack of oxygen is deadly. It is unlikely that you will hurt yourself sucking the helium out of balloons, as long as you breathe oxygen in between breaths of helium. There is a small percentage of helium (.0005%) in the earths atmosphere.
Which mineral group makes up the highest percentage of Earths crust?
Silicates are the mineral group that make up the highest percentage of Earth's crust, accounting for about 90% of the crust by volume. They are composed of silicon and oxygen, the two most abundant elements in the Earth's crust.
Which is NOT one of the eight most common elements in Earths continental crust?
Helium is NOT one of the eight most common elements in Earth's continental crust. The eight most common elements are oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium. Helium is a noble gas and is not as abundant in the Earth's crust.
What is the size of the earths crust?
The Earths crust is approximately 650 km deep.
