Biology · May / June 2018 · Paper 22 · Question 4
5090
As printed in the paper
The question as text
The graph shows the effect on crop yield (amount harvested) of using fertilisers that contain nitrogen. crop yield in kg / hectare 2000 0 4000 6000 mass of fertiliser in kg / hectare 0 50 100 150 200 250
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
4(a)(i)[3]
4(a)(ii)[3]
4(a)(iii)[3]
4(b)[2]
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