Cholesterol: can be converted to vitamin
d. can be found in all foods. contains glycerol and 3 fatty acids. acts as an emulsifier.

Early treatment for mental illness involved because doctors believed that doing this would drain the mental illness out of the person’s body.

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?

Susan’s wrist is tired from typing on her keyboard all day. she moves her wrist in a circle to stretch it out. what type of movement does her hand make around her wrist?