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Explain how fertilisers are different from manure:
 
1. Composition
(i) Fertilizer -
(ii) Manure -
 
2. Source
(i) Fertilizer -
(ii) Manure -
 
3. Envrionmental Impact
(i) Fertilizer -
(ii) Manure -
 
Answer variants:
Can lead to pollution
More sustainable
Synthetic nutrients
Natural byproduct
organic material
Manufactured products