Ineed to know the answers to this i don’t understand 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

Draw a line graph showing the relationship between temperature in kelvin as a function of kinetic energy.

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6