1) what makes a plant a plant ?

2) what plants do you need ? why do they make/create

3) how is this ( what makes pants need and make different from what mammals (yes, that includes us! ) need and make

explains while you at it

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 independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of