Mineralisation is performed by

In the given statements,select the correct option for the process of decomposition.
$(1)$ Moist environment favours decomposition.
$(2)$ Low temperature and anaerobiosis inhibit decomposition.
$(3)$ Decomposition is slower,if detritus is rich in nitrogen.
$(4)$ Decomposition is quicker if detritus is rich in chitin.
$(5)$ Warm environment favours decomposition.

Animals that live in the deep sea are known as...

Select the incorrect option for the Detritus Food Chain $(DFC)$.

The food chain in which microbes split energy-rich compounds of the producer community is:

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