Explanation:
hope this helps you dear friend.
Salt is a substance because a substance is a material that has constant composition regardless of its source. Salt is the only option that matches this description
Answer:
A. absorb heat energy and move farther apart
Explanation:
The answer is A since when a ice cube takes in heat, it changes form and melts down to a liquid : water.
The molecules in water are farther apart since they are moving around alot but can be contained in a container.