It feels weird to be back at school after so long i havent even been on here in months anyway is it normal for ur stomach to hurt when someone scares you or early in the morning before school?

When writing fitness goals we encourage using the smart method. what does s-m-a-r-t stand for? use full sentences to explain what each letter stands for in their goals setting process.

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?

Hey! my question is: how many calories does it take to burn off and loose 1 if would be gladly appreciated if some one me in this! : )