What might be the contemporary basis for conflicting claims to the Arctic?
A) potential for energy resources
B) old Cold War grudges
C) colonial expansion
D) shifting sea ice formations
E) the proximity of South American and African countries
Answer: A
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Which of the following are the correct inner planets?
A) Mercury, Venus, Earth, Mars B) Earth, Mars, Jupiter, Saturn C) Jupiter, Saturn, Uranus, Neptune D) Mercury, Earth, Saturn, Neptune
A woman has a large garden and decides this year she will not let the pests get beyond control. At the earliest sign of insect pests, she applies an organic insecticide and continues to apply it every month throughout the growing season
The next year the woman decides not to use any insecticides, thinking that she must have eliminated the pests with the prior year's treatments. Unfortunately, the pests reappear in numbers greater than she has ever seen before, and her crops are destroyed. Investigating this phenomenon, she learns that she has just experienced a phenomenon known as A) resurgence. B) pesticide resistance. C) natural selection. D) emergence.
Accounting for nonmarket values of ecosystem services may help us make better environmental and economic decisions. Identify, briefly describe, and give examples of these nonmarket values
What will be an ideal response?
Intraspecific competition is competition among ________ for resources.
A. Predators and prey B. Members of different species C. Producers, consumers and detritivores D. Plants and animals E. Members of a single species