A field goal can not be blocked and returned for a touchdown by the defensive team? True or false question

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 combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.

Explain the difference in reactivity of the elements based on their electron configurations.