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Which has the greater density, a lake full of water or a cup full of lake water?
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An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?
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How does an observation about an object differ from an inference about that object
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An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?
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Which has the greater density, a lake full of water or a cup full of lake water?...
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