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About 1.2 billion years ago, eukaryotic and multicelled organisms evolved because oxygen became available from cyanobacteria banded iron formations developed meteorite impacts increased the atmosphere got thicker from volcanic outgassing
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In attempt to solve the working problems created by the industrial revolution, the united states and many countries in europe considered and/or adopted
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Why do carbohydrate molecules function so well as fuel for the body?
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Natural resources are any materials that humans obtain from the earth to meet our wants and needs.
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