The key answer of exercise 8
The key to exercise solutions in chapter Reading 3 for the textbook Roadmap B1+ - Workbook with authors Anna Osborn and Rebecca Adlard from Pearson Education
Question
Write two advantages and two disadvantages of fuels made from plants.
Answer
Advantages:
- They are renewable so they won't run out; They don't produce as much pollution as oil and gas when they are burned.
Disadvantages:
- They aren't as efficient as oil and gas, so we have to produce more of them: Marking them uses a lot of water and energy at the moment.
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