According to the Big Bang Theory, the universe is .

In the figure, polygon abcd is transformed to create polygon a′b′c′d′. this transformation is a by a factor of .

What can happen to solar radiation when it enters earth’s atmosphere? check all that apply. it is absorbed by earth. it is reflected by clouds. it is reflected by glacial ice. it is condensed into visible light. it is amplified by water molecules.

Who believed that the universe was made of tiny uncuttable particles