Particles of soil often differ greatly from the underlying bedrock in color, mineral compoition, and organic content. Which conclusion about these soil particles is best made from this evidence?

Question

Mariam Wallace

Biology

9 August, 19:46

Particles of soil often differ greatly from the underlying bedrock in color, mineral compoition, and organic content. Which conclusion about these soil particles is best made from this evidence?

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Eddie Oconnor · Answer 1

Let's go through the options: 1 They are residual sediments. No, since the information says they're different in color, mineral composition, and organic content. [ The bedrock would have to be the same if the soil was a residual sediment. 2 They are transported sediment. This seems reasonable. If the sediment is not the same type as the rock, it would have had to come from somewhere else. 3 They are uniformly large-grained. Maybe, but it doesn't say anything about it. 4 They are soluble in water. Again maybe, because it doesn't say anything about it. If you think carefully through each option in questions like these, you can usually think through to what things make the most sense.