Which of the following statements about underground contaminants is false?
a. Degradable organic wastes do not decompose as rapidly underground as on the surface.
b. There is little dissolved oxygen to aid in degradation of wastes.
c. Waste products are diluted and dispersed quickly in underground aquifers.
d. It can take hundreds to thousands of years for contaminated groundwater to cleanse itself of degradable wastes.
e. In some coastal areas, groundwater has been contaminated by saltwater intrusion.
C
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The root of social and economic tensions in the Latin American countryside is
A) a lack of government incentives to initiate rural development B) the mechanization of agriculture, thus forcing people of the land C) increased population pressure D) geopolitical violence as a result of the Cold War E) the uneven distribution of arable land
In the United States, we tend to step back as people step closer. In the Middle East, this can be interpreted as rude. Recognizing that different cultures view personal space differently is to appreciate the concept of
A) proxemics. B) territoriality. C) semiotics. D) vernacular landscape. E) cosmopolitanism.
An air mass that formed over northern Canada would most likely be designated
A) cP. B) mP. C) cT. D) mA.
The inclination of Earth's axis causes the days to become ____ in June and ____ in December in the Southern Hemisphere
A) ?longer; longer B) ?shorter; longer C) ?longer; shorter D) ?shorter; shorter