The rate of decomposition is controlled by .........

Identify the correct statements:
$A.$ Detritivores perform fragmentation.
$B.$ The humus is further degraded by some microbes during mineralization.
$C.$ Water-soluble inorganic nutrients go down into the soil and get precipitated by a process called leaching.
$D.$ The detritus food chain begins with living organisms.
$E.$ Earthworms break down detritus into smaller particles by a process called catabolism.
Choose the correct answer from the options given below:

Give scientific reasons: Decomposers are essential in nature.

In a forest ecosystem,fungi are grouped as:

Humus is ....... in nature.

In decomposition,leaching is the process of . . . . . . .