What is a short term health benefit to quitting drug use? a decreased blood glucose level b decreased white blood cell count c increased immunity against infection d increased chance of hypertension

In order to remain wellness the parts of the health triangle always need to be?

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?

Can someone give me a hand with this one.