Over the past two decades, the harvesting of fuelwood has
A) increased and is causing a worsening problem of deforestation and erosion.
B) declined, as developing nations use charcoal and fossil fuels and has become less of a threat to ecosystem sustainability.
C) become a major industry in the United States, especially in urban areas, replacing fossil fuels in many regions.
D) shifted from productive to consumptive use.
B
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The balance between additions and losses of sediment in the nearshore zone is known as the
_________________________. Fill in the blank(s) with the appropriate word(s).
The EPA issued regulations in 1997 that affected this size of particulates
A) smaller than 2.5 micrometers B) between 10 and 100 micrometers C) between 100 and 300 micrometers D) greater than 1000 micrometers (1 millimeter)
In alpine glaciers, glacial ice flows from the zone of accumulation to the zone of ablation
Indicate whether the statement is true or false
This cross section shows the location of 5 wells and the water table? Which well is most likely to be an artesian well?
A. well A B. well B C. well C D. well D E. well E