Physics, 25.02.2021 23:20 kaylinreed7
Mr. Green wants to teach his students about an interaction between Earth's biosphere and geosphere. Mr. Green had his students collect soil samples from various areas of the school campus. The students noticed that the upper layer of the soil in the wooded area of the campus was darker than the upper layer of the sandy playing field. Why would there be a difference in color in the upper layer of the two soil samples?
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Mr. Green wants to teach his students about an interaction between Earth's biosphere and geosphere....
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