Which of the following statements is true reg | vedclass

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(A) Humus is a dark-colored,amorphous substance formed by the process of humification during decomposition.$(P)$ Humus acts as a reservoir of nutrient

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$(P)$ and $(Q)$

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(A) Humus is a dark-colored,amorphous substance formed by the process of humification during decomposition.$(P)$ Humus acts as a reservoir of nutrients and possesses colloidal properties,which help in retaining moisture and nutrients in the soil.$(Q)$ It is rich in nutrients like nitrogen,phosphorus,and potassium,which are released slowly into the soil.$(R)$ Humus is highly resistant to microbial action and undergoes decomposition at a very slow rate,but it is not impossible to decompose. Therefore,statement $(R)$ is incorrect.Thus,statements $(P)$ and $(Q)$ are correct.

Which of the following statements is true regarding humus?
$(P)$ It contains colloids.
$(Q)$ It contains nutrients.
$(R)$ Its decomposition is not possible.

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Which of the following statements is true regarding humus?$(P)$ It contains colloids.$(Q)$ It contains nutrients.$(R)$ Its decomposition is not possible.