Which part of a plant cell is responsible for converting light energy into chemical energy?

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

Are oil and water a mixture or solution

Which of the following is true about the speed of light? it depends on the wavelength.