Fact 1: Exercise increases a body 's strength.

Fact 2: Resistance exercises are weight-lifting exercises.

Given the two facts above, answer the question "What increases a body's strength?" with the following options: 
- weight-lifting
 - movement
 - trans fats
 - heat energy
 - Energy.
 - competition
 - sedentary lifestyles
 - fats


 

 weight-lifting        