A box that is 2cm X 2cm in size would need to weigh how much in order to create a pressure of 32 N/cm² on the floor?

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

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

The ph is the a.independent variable b.the dependent variable c.control group