Newton's third law explains why a balloon rocket moves as air escapes. Which of the following is Newton's third law?

A.
Objects at rest remain at rest, unless acted upon by an outside force.

B.
The force of impact will increase with mass and acceleration.

C.
For every force there is an equal and opposite reaction force.

D.
Acceleration is always proportional to the force applied.

C. For every force there is an equal and opposite reaction force.