Question

A solid can turn into a gas if enough ______ is added.

Options:
Thermal energy
Mass
Density

Answer 1

Thermal energy.

Step-by-step explanation:

Density is a man made definition. The formula is Density = mass/volume

Mass is the number of grams of something. This definition is not complete and it is not the best, but it is the simplest. and it is not the answer.

The answer is A ===> Thermal energy.