Question

What is conserved in physical changes?

shape
energy
mass
density

Answer 1

Matter is anything that has mass and takes up space. ... Matter can change form through physical and chemical changes, but through any of these changes matter is conserved.

so mass is the answer

Step-by-step

Answer 2

Mass

Explanation:

Matter can change form through physical and chemical changes, but through any of these changes matter is conserved.