The grasshopper effect is a result of ____.
A. pollutants being transferred from warmer areas to polar areas by ocean currents
B. warm air sitting on top of cool, stagnant air
C. the mixing of warm and cold air
D. air pollutants being transferred from warmer areas to polar areas by evaporation and wind
E. precipitation exceeding evaporation
Answer: D
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Sustainable yield is the highest rate at which we can use a(n) _____________without reducing its available supply
a. renewable resource b. perpetual resource c. energy resource d. mineral resource e. nonrenewable resource
Soils in mountainous regions generally show less-developed horizons than soils in areas of gentle slopes
Indicate whether the statement is true or false.
The early Industrial Revolution primarily relied on fossil fuels to ________
A) run gasoline engines B) generate heat and electricity C) generate steam D) run power plants that generated electricity
A tornado ____________________ is issued once a tornado is spotted, either visually or on a radar screen
Fill in the blank with correct word.