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Which two elements make up the greatest percentages by mass in earth's crust
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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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What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex
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The image shows a group of fish. the type of social behavior shown in the image is called
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Which two elements make up the greatest percentages by mass in earth's crust...
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