What portion of the Earth is covered by water? a. one-quarter
b. one-half
c. three-quarters
d. seven-eighths

What can happen to solar radiation when it enters earths atmosphere? check all that apply 1)it is absorbed by earth. 2)it is reflected by clouds. 3)it is reflected by glacial ice. 4)it is condensed into visible light. 5) is amplified by water molecules.

What type of government does costa rica have?

Acharreadas is a popular mexican thing where people display varying skills of horsemanship much like what events in the united states?