Help ;-; "Explain how convection drives plate tectonics and how convergent, divergent, and transform boundaries create various crustal features"

Which transition by an electron will release the greatest amount of energy? oa ob oc od

Most short-period comets do not have randomly oriented orbits because

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.