What do radio waves and microwaves have in common?

question 1 options:

both are found next to visible light on the electromagnetic spectrum.

both are at the side of the spectrum that has the shortest wavelengths.

both are at the side of the spectrum that has the lowest frequency.

both have higher frequencies than visible light.

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