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Dried plant parts such as leaves bark, f...

Dried plant parts such as leaves bark, flowers, etc. and dead remains of animals including feacal matter drop over the soil, constitute the
I. below ground detritus
II. above ground detritus
III. detritus
IV. litter fall

A

above ground detritus

B

humus

C

litter fall

D

both ( 1) and ( 3)

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