What is heat caused by the movement of?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.

Is the portion of the electromagnetic spectrum that has a frequency just above that of visible light.