Most international migrants are:
A) political refugees
B) workers looking for jobs
C) driven away by environmental devastation
D) fleeing from war
E) none of the above
Answer: B
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List and define four types of ecological restoration. Why is restoration important?
What will be an ideal response?
The Hawaiian Islands
A) are a series of shield volcanoes. B) formed from a series of violent volcanic eruptions. C) lie atop the meeting place of two major tectonic plates. D) erupt lots of ash and pyroclasts.
Given recent trends in communications, in the next five years the number of television programs viewed over the Internet might be expected to
A) remain about the same. B) decrease slowly as the number of broadcast television stations increases. C) decrease slowly as cable and satellite television services offer more channels. D) decrease dramatically. E) increase dramatically.
The distribution of species is based on both biotic and abiotic factors
Indicate whether the statement is true or false