The diagram shows molecules in a state of matter.

Which statement best describes what will occur if enough thermal energy is removed from the system to cause a change in state?

Molecular energy will increase, and the substance will change from a liquid to a gas.
• Molecular energy will increase, and the substance will change from a gas to a liquid.
Molecular energy will decrease, and the substance will change from a liquid to a gas.
• Molecular energy will decrease, and the substance will change from a gas to a liquid.

The correct statement is: Molecular energy will decrease, and the substance will change from a gas to a liquid.