Why do the poles have the coldest climates on earth? 1.because of the angle (the slant) of the sun's rays 2.because the sun's rays do not reach the poles 3. because the sun's rays fall most directly on the equator, not on the poles

There are 4 red balls, 6 white balls, and 3 green balls in a bag. if one ball is drawn from the bag at random, what is the probability that it is not white?

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?

East asia’s is dominated by dry highlands and grasslands. a. north and east c. north and west b. south and east d. south and west