What causes a decrease in oxygen levels beyond the sunlit layer?
A) The respiration from marine animals and bacteria
B) The by-products of photosynthesis
C) There are fewer animals present
D) None of these choices
A
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According to our text, which of the following is NOT true?
A) Affluent core countries are more effective at protecting their environments than poor peripheral countries. B) Core countries are more interested in protecting the environment because of their Judeo-Christian perspective on nature. C) Core countries help protect their environments by exporting industrial wastes to peripheral countries. D) Core countries help protect their environments through technological innovations.
The federal government provides subsidies to the energy industry. Which one of the following is a correct statement?
A. Renewable energy suppliers received large subsidies in the form of tax credits and grants. B. Grants to low income people are rare. C. The coal industry receives large subsidies in the form of direct grants. D. The nuclear power industry does not receive any subsidies.
U.S. hydropower dam construction was greatest during the ________
A) industrial revolution B) 1970s to 2000 C) 1960s D) early 21st century E) late 1800s
Grasslands are considered abiotic
Indicate whether the statement is true or false