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A fossil bone has 25% of this new radioactive element remaining. If the half-life of this new element is 10,000 years, how old is the fossil bone?
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Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?
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The science for classifying and naming organisms is known as
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A fossil bone has 25% of this new radioactive element remaining. If the half-life of this new elemen...
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