One type of kinetic energy is thermal energy or heat energy. It is the energy of atoms moving. Atoms are the building blocks of all matter and they make up everything around us. Atoms are always moving. The faster the atoms move, the hotter something becomes.

Which sentence from this paragraph explains HOW atoms affect temperature?

A. One type of kinetic energy is thermal energy or heat energy.

B. It is the energy of atoms moving.

C. Atoms are the building blocks of all matter and they make up everything around us.

D. The faster the atoms move, the hotter something becomes.