3 tips to exercise safely in hot weather (please say)

How will your health most likely be affected if you follow the recommended guidelines for sleep, rest, and physical activty

Can occur if you do not modify your workout after a break

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?