Which has not actually been seen by astronomers?

a. Main asteroid belt

b. Oort cloud

c. Kuiper belt

Which of the following countries is an oil-dry country

It is proposed that red giant stars are: very young beginning to form old and dying

The weighted credit for a B + average in a weight class is

How do rain and snow remove particulates from the atmosphere A. Particles freeze in them. B. Particles from clouds with them. C. Particles stick to them. D. Particles are dissolved in them.

A rocket pushes burning gases down. which causes the rocket to launch up newtons law 1, newtons law 2, newtons law 3

Why is it important that the cells dna is duplicated before cell division the subject is science it didnt have science as a subject

What hloaday is in January

You are visisting a mountain in the northwest part of United States the mountain has steep sides and is not part of a mountain range a crater can be seen at the top of the mountain hypotheses about what type of mountain you are visiting

Rupert is copying some files from his computer to a compact disc, like the one shown above. If the diameter of the compact disc is 120 millimeters, what is the approximate area ignoring the center hole? Use = 3.14.

A baseball player hits a ball straight up at 20 m/s. ignore any horizontal component of velocity the ball may have. how ling does the ball take to reach its maximum height?