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What is the source of energy that causes surface currents in the ocean? a. density differences between freshwater and seawater b. the magnetic attraction between the north and south poles c. the gravitational pull of the moon and the sun on the ocean d. winds created by the uneven heating of air on earth by the sun
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What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.
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Which of the follow describes a disadvantage secondary sources have compared to primary sources?
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Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet
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What is the source of energy that causes surface currents in the ocean? a. density differences betw...
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