According to the lecture, the mantle of the Earth as a whole is considered a liq

Question

According to the lecture, the mantle of the Earth as a whole is considered a liquid: Select one: a, All of the time b. Some of the time O c. Never Which statement below best compares the lithosphere to the asthenosphere according to the lecture? Select one: a. The lithosphere is more solid than the asthenosphere. b. The lithosphere is solid and the asthenosphere is liquid c. The lithosphere is a brittle solid and the asthenosphere is a ductile solid. d. The lithosphere and the asthenosphere are both ultramafic because they are both a part of the mantle

Explanation / Answer

1.C.never. Earth's mantle is consisted of solid rock. It is a misconception that it is made up of magma.

2.C. The lithosphere is a brittle solid and the asthenosphere is a ductile solid. As in the asthenosphere convection occurs it is deformed ductilly. And the upper layer is brittle where faults and joints occur.

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