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The majority of sulfur dioxide produced by industry comes from a. oil refineries. b. dry cleaners. c. chemical plants. d. coal-burning power plants.
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The idea of spontaneous generation was disproved by in a experiment involving jars of meat
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Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.
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Fill in the blank a scientific theory become a scientific law because only offer descriptions of...
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