(a) Plants /Autotrophs
(b) R Denitrification
P Feeding /Nutrition
M Absorption
N Decay/decomposition
(c) Fixation by lightning/ Biological fixation
(d) (i) Nodules;
(ii) They harbour Rhizobium bacteria which convert atmospheric nitrogen into ammonia, which is used by leguminous plants to form nitrogen containing organic compounds/proteins
marto answered the question on September 30, 2019 at 10:23
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