A layer of very warm, low density air near the surface causes light to:
A) reflect at a higher angle off of the surface.
B) separate into its various color components.
C) bend in a curve opposite that of the Earth.
D) bend in a curve that follows the curvature of the Earth's surface.
C
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The most likely reason that this building in the tundra environment has a failed foundation is that
A) the permafrost beneath it has thawed.
B) running water after a flood has swept it away.
C) mass wasting processes have caused the soil to slump.
D) a wind storm has detached the building from its foundation.
The atmosphere has the greatest ________ of the earth's hydrologic compartments.
A. Discharge rate and water content B. Water volume C. Residence time for water D. Turnover rate and smallest water volume E. All of these choices are correct
Net plankton are larger than nannoplankton.
Answer the following statement true (T) or false (F)
Where do the toxic gases and leachates come from that are the result of mining for gold?
A. Sulfur compounds in the ore B. Heavy metals used in the operation of mining for the gold C. Chlorine compounds in the ore D. Cyanide used in the operation of mining for the gold E. Carbon compounds in the ore