Answer:
Physical changes
Explanation:
Changes in the state of matter are physical changes.
First, the material is made up of the same components that is was before it changed states.
The physical properties of the material changed, but its chemical composition did not, meaning that is is a physical change.
The answer is the third one because density is mass divided by volume so 80 divided by 10 is 8
<span>the answer is c. energy</span>
