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The crust is only what of earths thickness?
half of earths layer
What is the earths under crust surrounded by?
Earths under crust surrounded by Upper Mantle (35-60 km) .The mantle is composed of sillicate rocks that are rich in iron and magnesium relative to the overlying crust.
How do floods affect the earths crust?
it gets soggy
Is it true that earths crust contains most of earths mass?
No. The crust contains a small fraction of earth's mass. Most of the mass is contained in the mantle.
What does rocks in earths mantle contain a higher percentage of what than rocks in earths crust?
iron and magnesium
How thick is the earths continental crust?
The continental crust is about 25 to 70 kilometers thick. The average is about 50 kilometers.
What is the size of the earths crust?
The Earths crust is approximately 650 km deep.
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 under the earths surface and in the earths crust?
mantle
Why is the stress the earths crust?
The earth's crust is not stress
Abundance of neodymium in the earths crust?
Neodymium is relatively abundant in the Earth's crust, with an average concentration of about 38 parts per million. It is considered a relatively common rare-earth element compared to others in the lanthanide series.
The crust is only what of earths thickness?
half of earths layer
What forms the elevated part of the earths crust?
continental crust
What is the state of the earths crust?
The earth's crust is generally solid.
Why is earths crust brittle?
The crust is the thinnest part on the Earth.
Earths thin rocky outer layer is its .?
crust
What are the rocks that make up the earths crust?
the crust and the core
