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Science

Answered

why is topsoil darker than the other layers of the soil? because it contains___.
a. volcanic rocks
b. bits of burned trees
c. more organic matter
d. all the darker colored minerals

Sagot :

DENISMALANA22IN DENISMALANA22IN

Answer:

C.

Explanation:

Topsoils are dark primarily because they contain dead organic material in various stages of decomposition. ... The degradation of organic matter within the soil produces a substance called humus, which has a complex chemical structure and is composed of carbon-rich compounds that impart the dark color.

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