The asthenosphere lies 80-200km below the surface under the lithosphere. Convection also occurs in the asthenosphere. The asthenosphere is mostly made of up rock material (magnesium and iron silicates). The asthenosphere makes up 6% of the mantle and lets the lithosphere move.
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Always report to a teacher or supervisor if anything goes wrong in the lab.
Answer:
Rocks from retreating glaciers
Answer:
Charles Darwin came up with the theory of evolution.
