Imagine the deep, low sound made by a tuba. now, what is an example of a sound with a much higher pitch?

a) a big dogs growl.
b) the rumble of thunder.
c) the chime of a doorbell.
d) the horn blast from an eighteen wheeler.

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.

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change