Help me, ANSWER ALL 6 QUESTION, if you completed, you will have 30 POINTS

There are main groups in the modern periodic table of elements

What type of organic molecule comprises the majority of a potato?

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