Is composed of earth's crust and solid upper mantle
a. inner core
b outer core
c lithosphere
d asthenosphere

Which is not a step in the rock cycle?

Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.

Explain earth's motion, using the terms "precession" and "rotation" in your answer.