Question

What is the best definition

of thermal expansion?
A. Thermal expansion is when an object's volume
increases due to heat increase.
B. Thermal expansion is when an object's volume
decreases due to heat increase.
C. Thermal expansion is when an object's volume stays the
same due to heat increase.

Answer 1

I think is B. Thermal expansion is when an object's volume

decreases due to heat increase.

Answer 2

B.

Step-by-step explanation:

thermal expansion♡