2025 - M/J - 8291/11 | Q4
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(a) Fig. 4.1 shows a crop grown for biofuel.
(i) The biofuel crop is combusted to release thermal energy.
Name two other types of biofuel.
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(ii) Explain why biofuels are a renewable energy resource.
(iii) State two benefits of using biofuel as an energy resource, other than being renewable.
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(iv) Explain how the biofuel crop in Fig. 4.1 reduces biodiversity.
(v) Explain how biofuels decrease food security.
(b) Table 4.1 shows the global production of energy from biofuels between 2000 and 2022.
Table 4.1
| year | production of energy from biofuels / \(10^9\text{ kilowatt hours}\) |
|---|---|
| 2000 | 110 |
| 2005 | 230 |
| 2010 | 700 |
| 2015 | 900 |
| 2020 | 1050 |
| 2022 | 1020 |
Use Table 4.1 to identify the 5-year period with the greatest increase in energy production from biofuels.
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