Biology · Oct / Nov 2024 · Paper 42 · Question 6
0610
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6(a)[5]
lightning / root nodules ;
nitrate ;
urea ;
nitrate ;
denitrification ;
6(b)[2]
any two from:
decomposition / decay ;
feeding ;
excretion ;
AVP ;
6(c)[1]
(the) Sun ;
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