Natural and Designed Systems

Key Stage 4 Science / Biology

Sample Question

Why are fossil fuel reserves, carbonate rocks (limestone and chalk) and the worlds forests known as carbon sinks?

  • They contain an energy source
  • They contain unused carbon
  • They contain billions of tonnes of carbon
  • They contain unfixed carbon
  • They contain mobile carbon

This is just one of our 151,668 study questions in Quipper School.

Quipper School UK Curriculum

Key Stage 4 Science

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