Take a guess. Guess my ethnicity?

Nuclear experimentation is a major global issue that affects relationships between countries. describe why countries try to limit the testing of nuclear weapons.

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.

The impact of a large asteroid comet with earth has been proposed to have caused the extinction of the dinosaurs. the impact site of this comet is in or near