Biology · Oct / Nov 2025 · Paper 21 · Question 6
5090
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The question as text
Biofuels are made from plant material or animal waste. They are used as a replacement for fossil fuels such as petrol and oil. Fossil fuels were made over long periods of time, millions of years ago. Biofuels may or may not be a sustainable resource.
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6(a)[2]
6(b)[2]
6(c)[4]
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