How did the Red Sea, shown between Arabia and Africa in this figure, form?
A) Subduction of Arabia beneath Africa
B) Subduction of Africa beneath Arabia
C) A continental collision
D) Continental rifting followed by seafloor spreading
E) Transform faulting followed by a continental collision
D) Continental rifting followed by seafloor spreading
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Historical consciousness is
A) defined as a people's sense of their own history. B) irrelevant to the understanding of any alien culture. C) unrelated to the way in which people view their own culture. D) the same as cognitive behavioralism. E) one of those theoretical concepts which has little impact on international affairs.
The SARE and CSP programs
A) mandate soil conservation programs in all subsidized agriculture. B) promote research in sustainable agriculture (SARE) and soil and water conservation on agricultural lands. C) are U.N. FAO programs aimed at sustainable agriculture in South America and Africa. D) are NGOs that work with Central American steeplands farmers to improve soil fertility.
Which of the following is the correct order of lake succession, from lowest to highest nutrient levels?
A) oligotrophic, mesotrophic, eutrophic B) eutrophic, oligotrophic, mesotrophic C) mesotrophic, eutrophic, oligotrophic D) oligotrophic, eutrophic, mesotrophic
A gently sloping mountain landform built from effusive eruption is known as a
A) cinder cone. B) shield volcano. C) crater. D) caldera. E) pluton.