Describe the lithosphere and its role in plate tectonics.

it is the crust, and everything grows on it. they move around constantly at an incredibly slow pace, and float in the mantle. the mantle causes them to move around sometimes to cause earthquakes, by pulling them apart or pushing them together to make canyons and mountains respectively.

Explanation:

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

helicase, i think thats it