Jeff is listening to the radio. He knows that the radio produces sound energy because

A.

he can hear music coming from the radio.

B.

he can feel heat coming from the back of the radio.

C.

he can see the display on the radio when it lights up.

D.

he gets shocked when he touches the radio.

Answer is A.

A.  he can hear music coming from the radio.

Explanation:

Jeff knows that the radio produces sound energy because he can hear music coming from the radio.

The music from the radio is a form of sound energy.

c. 7/3

step-by-step explanation:

a rational number is like pi- it is a repeating decimal.

a. is -1.8

b. 2.236068

c. 2.3333333333333333333

d.   is 3

i hope that ! =)

in this image, you can see solar radiation going through ocean water.

no image, but probably absorption