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Question
Surface-level ocean currents are caused by ____.
a. dense ocean water sinking
b. cool ocean water rising
c. warm ocean water exchanging with cool ocean water
d. prevailing winds blowing over the ocean surface and the Coriolis effect
e. upwelling near the equator and downwelling near the poles
Answer
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Related questions
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a. True
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a. True
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It can take 400 to 1,000 years to break down ____ that end up in landfills or the ocean.
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You are an evolutionary entomologist. You have observed beetles that can raise their abdomens and give off a defensive chemical that generally repels predators. You discover a new species of beetle that raises its abdomen in a threatening way similar to the first species, but no defensive chemical is given off. You are most likely to characterize this defensive strategy as a form of ____.
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