Increases in ocean temperatures often result in coral bleaching, in which
A) the symbiotic relationship between corals and their algae is disrupted.
B) the calcium carbonate of corals is dissolved away, leaving only the soft animals behind.
C) the water becomes so cloudy that no light can reach the symbiotic algae in corals.
D) high levels of chlorine are released from the corals, killing the fish that swim by.
A
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Which of the following describes the time when pollution is most severe in urban areas?
A. when a large slow-moving anticyclone moves into an area B. when a storm system begins developing to the west C. when a cold upper-level low moves into a region D. when a warm front passes through the area
Methane is responsible for about 30% of global warming.
Answer the following statement true (T) or false (F)
What are ventifacts?
What will be an ideal response?
Referring to Figure 2.11.4, which of the following is not true?
A) In terms of percentage, the pill is used much more in Germany as compared to China. B) A high percentage of Nigerians use family planning. C) China is notable for practicing female sterilization. D) China is notable for using IUD. E) The pill is the preferred method of family planning in Germany.