Biology, 20.09.2019 13:00, 2022maldonadoleonel

Which layer of soil is closest to the surface?
a. o (organic matter)
b. a (topsoil)
c. b (subsoil)
d. c (parent rock)

Answers: 2

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Do you know the correct answer?

Which layer of soil is closest to the surface?
a. o (organic matter)
b. a (topsoil)