Blank is anything that has mass and takes up space.

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.