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Biology, 03.03.2020 21:59 hiiliohi6300

A farmer examines the soil of a new plot of land he just purchased. He notices that the soil is very dark, almost black in color. The soil is filled with organic material. Based on his experience, the farmer knows this soil has a high fertility.

Which material gives the soil its high fertility?
bedrock
sand
silt
humus

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A farmer examines the soil of a new plot of land he just purchased. He notices that the soil is very...
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