IGCSE
EDEXCEL
Biology (International)
10 Marks
QP-Biology-201805-P1BR · Question 7
Question (excerpt):
16 7 A scientist investigates how nitrate fertiliser, and the number of seeds planted per square metre, affect the yield of wheat. She adds different masses of nitrate fertiliser to fields containing …
16 7 A scientist investigates how nitrate fertiliser, and the number of seeds planted per square metre, affect the yield of wheat. She adds different masses of nitrate fertiliser to fields containing …
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