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The term "carbon footprint" refers to

  • A.Area covered by forests
  • B.Amount of carbon stored in soil
  • C.Total greenhouse gas emissions
  • D.Carbon content in fuels

Answer: C

A carbon footprint is the total greenhouse gas emissions caused by a person, organisation, product or activity.

It adds up all the greenhouse gases released directly and indirectly, from burning fuel, using electricity, transport, food and manufacturing, and expresses the total as tonnes of carbon dioxide equivalent.

The area covered by forests and the carbon stored in soil are measures of carbon sinks, the opposite side of the account. The carbon content of a fuel is a property of the fuel, not of the emissions someone is responsible for.

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