Question

Fill in the blank.

_________ is an increase or decrease in the frequency of sound, light, or other waves.
A.

Doppler effect
B.

Transit
C.
Spectroscopy

Answer 1

help plz

Answer 2

@Monkey4224 @marvin456 @bibby @Angiedoesschool2275 @marico099

Answer 3

@malcolmmcswain

Answer 4

@malcolmmcswain

Answer 5

thanks

Answer 6

Here. Last question I can answer though. I have to go.

Answer 7

I think it's A

Answer 8

ok

Answer 9

not even a few more i am sorry

Answer 10

How does the sun cause uneven heating on the surface of the Earth?
A.

The poles are warmer because they get more of the sun's direct rays.
B.

The equator is colder because it gets less of the sun's direct rays.
C.

The equator is warmer because it gets more of the sun's direct rays.

Answer 11

I'm so sorry... can you save them for a little bit.

Answer 12

I have to go right now.

Answer 13

ok who should i ask then

Answer 14

Do you still need help? Id be glad to help :)