Biology

Harley Neal

23 September, 22:23

A student makes a soil particle tube by mixing a soil sample with water and then letting it settle overnight. When he comes back to check on his tube, he sees 3 distinct layers of particles. What type of particles would settle to the very bottom of the tube?

A. the organic matter and humus

B. the clay particles

C. the sand particles

D. the silt particles

+5

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