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Why are the non-living things important to an ecosystem?
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Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!
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What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays
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Why are the non-living things important to an ecosystem?...
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