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