When a muscle contracts in order to hold parts of the body study and maintain a safe or stable position it is acting as a?

Describe how the above factors create barriers for maintaining your mental and emotional health what barriers do they create

Does indrect sunlight does not pose any danger to the skin

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?