What is happening to the molecules ENERGY AND MOVEMENT during solidification/freezing

Idon’t know how to solve this question

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains