Which one of the following choices is a known factor that influences flexibility?
a. race and ethnicity
b. body composition
c. degree of self-confidence
d. amount of rest

What is the name of the device that senses the current flowing,tripping the circut,and cutting off the electricity

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the dependent variable in galileo's experiment?

Which nutrients are a valuable resource in trying to build muscle?