Which phrase best describes the word common, as used in the phrase "the
tragedy of the commons"?

A. A typical result
B. An unwanted effect
c. An unusual object
D. A shared resource

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.