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What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.
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Which of the following types of nonrenewable fuel sources requires the storage of radioactive waste? a. coal b. nuclear c. solar d. oil
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Geography, 23.06.2019 11:30
In the 1400s, portugal’s economy was based on a. industry b. exports c. finance d. trade
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Advanced weaponry was not an important part of exploration during the age of exploration.
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