During the 60's, chinese young people were encouraged to attack anyone who opposed (or might oppose) mao's chinese communist government. * a. the red scare b. the cultural revolution. c. world war ii d. forever mao movement

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.

These factors threaten north americas ecosystems

[fw.02]sinkholes are often formed as a result of the actions of. a. heat on recharge b. pressure on aquifers c. acid in groundwater d. minerals in hot springs