How is the temperature of a gas related to the motion of gas molecules?

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

hope it

c is the answer because when something is left after something evaporates that shows the chemical change.