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Questions on Energy Sources

Q9. Fossil fuels are used to generate electricity, but over half of the world's population uses biomass as a fuel.

(a) What is 'biomass', which is used as a fuel?

1 mark

(b) Biomass and fossil fuels are both energy resources. What is the original source of this energy?

1 mark

(c) Give the names of three fossil fuels which are often burned to generate electricity.

1 mark

(d) Fossil fuels are often described as non-renewable energy resources. Explain why they are called 'non-renewable'.

1 mark

(e) There are advantages and disadvantages of burning different fuels.

(i) Give one advantage of using biomass rather than fossil fuel as an energy resource.

1 mark

(ii) Give one advantage of using fossil fuel rather than biomass as an energy resource.

1 mark

(iii) Give one disadvantage of using both fossil fuel and biomass.

1 mark

Maximum 7 marks