Astudent compared the chemical composition of soil in a certain area with the bedrock beneath it. she found that the chemical compositions were different. which statement would best explain the difference in chemical composition? a. the area's rain and extreme temperatures caused the soil to develop. b. the rainwater washed iron oxide from the a horizon to the d horizon. c. the soil is all that is left of a different kind of rock that weathered away. d. the soil layers were mature because a large amount of time had passed
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Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture
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Astudent compared the chemical composition of soil in a certain area with the bedrock beneath it. sh...
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