Although loess soils and sediments cover about 1/10 of the earth, approximate what percentage of europe contains loess? 1/2 1/3 1/4 1/5

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.

How does the use of fertilizers impact the environment?

Monk's mound in cahokia is an enormous earthwork very near to the mississippi river. what do archaeologists believe it was used for?