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The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis
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Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome
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Is dna the same in every cell in the human body explain your answer
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During a chemical reaction, which molecules become oxidized...
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