Gurmeet singh Asked a Question
November 1, 2020 7:24 pmpts 30 pts
Aplastic asthenosphere exists under a rigid lithosphere and above a rigid mantle because (A) The rigidity of the lithosphere is constant (B) The rigidity of the mantle is not constant (C) The tempesature above the asthenosphere is more and the pressure below is less (D) The minerals at the asthenosphere are at their melting points
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  • Rahul kumar Best Answer
    The correct answer should be B. Rigidity of Mantle is not constant and varies significantly with depth. The upper part of Mantle (asthenosphere) behaves like a plastic material (le...
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    Gurmeet singh
    one more thing sir, some times there is written deep earthquake occur at depth of 700km. is it possible?
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