Which of the following is a present-day example of a continental rift?
a) the West African rift valley
b) the North American rift valley
c) the South American rift valley
d) the East African rift valley
d) the East African rift valley
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What are glaciers? How are they as agents of erosion and deposition? What will be an ideal response?
The top three U.S. producers of hazardous waste, in order, are
a. the film industry, the computer industry, and the military b. the military, the mining industry, and the chemical industry c. the agricultural industry, the military, and the mining industry d. the military, the chemical industry, and the mining industry e. transportation industries (air and boat travel), the mining industry, and the military
Which scientist promoted the idea that species change over time, although he attributed this change to an incorrect mechanism?
A. Charles Darwin B. Thomas Malthus C. Jean Baptiste Lamarck D. Charles Lyell
What is the relationship between two species in which one species benefits from the interaction whereas the other species neither benefits nor is harmed?
Mutualism Commensalism Parasitism Advantagism