A. Make your own radio transmitter Materials: 9-volt battery and coin
procedure:
1. Take the new battery and coin.
2.Bring the AM radio near you and tune it to the area where you hear astatic.
3.Repeatedly tap the two terminals of the battery with a coin.
QUESTION: Describe the sounds produced.

BP! SIZZLE! BOP! S! And people talking i guess

Explanation:

hope this helps!

c) up

hope this

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.