Question

Which is evidence that scientists use to support the Big Bang Theory?
A. There is constant cosmic background radiation.
B. Galaxies are moving toward each other.
C. A loud explosion can be heard in the radio frequencies everywhere in the universe.
D. Hydrogen and helium are the most abundant elements in the universe.

Answer 1

@Surana

Answer 2

I believe you should look to either the First or Fourth.

Answer 3

How do the outer planets compare to the inner planets?
A. Outer planets are larger and more dense.
B. Outer planets are smaller and less dense.
C. Outer planets are smaller and more dense.
D. Outer planets are larger and less dense.

Answer 4

I ddi the first

Answer 5

Actually, the Outer Planets are Larger and less dense. So the fourth.

Answer 6

ok

Answer 7

What is the name for galaxies held together by gravity?
A. Solar System
B. Constellation
C. Doppler Effect
D. Cluster

Answer 8

Probably a Cluster.

Answer 9

ich contribution did Kepler make to our view of the solar system?
A. He proposed the earth-center model of the solar system.
B. He proposed that gravity kept the planets in their orbit.
C. He proposed the sun-centered model of the solar system.
D. He proposed that planets move in ellliptical orbits.
Question 8

Answer 10

Your guess is as good as mine.

Answer 11

XD I take it your not strong in science?

Answer 12

Not as much as I'd like to be.

Answer 13

hmm

Answer 14

No idea honestly.

Answer 15

Same.

Answer 16

Which is a unique feature of Neptune?
A. The largest, most massive planet.
B. The most distant planet from the sun.
C. The least dense planet in the solar system.
D. Rotates on an axis tilted entirely sideways.

Answer 17

Look to the third.

Answer 18

A star's light is shifted to the blue part of the light spectrum. What does this mean about the length of light waves and movement of the star?
A. The wavelengths are getting longer, meaning the star is moving away from the observer.
B. The wavelengths are getting longer, meaning the start is moving toward the observer.
C. The wavelengths are getting shorter, meaning the star is moving toward the observer.
D. The wavelengths are getting shorter, meaning the star is moving away from the observer.
Question 12

Answer 19

I have no idea.

Answer 20

XD

Answer 21

An orbit that does not have a distinct shape is called:
A. Spiral
B. Elliptical
C. Irregular

D. Barred-Spiral

Answer 22

Probably Irregular.

We're all doomed.

Answer 23

LOL I have to have all this turned in by tomorrow midnight. I'm doomed o;

Answer 24

I think there's someone who could help.

Answer 25

Or you could guess.

Answer 26

Who? :O

Answer 27

My guessing system has been off lately

Answer 28

I'd suggest Kiamousekia, but I don't know if Science is the same as Physics. Perhaps Nnesha? Look about.

Answer 29

I tried. Sorry AnimeWover. Good luck. You'll need it.