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What kind of matter is smoke? A. solution B. suspension C. colloid D. compound E. molecule
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Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?
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What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.
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When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.
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What kind of matter is smoke? A. solution B. suspension C. colloid D. compound E. molecule...
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