Through organic matter, rocks and the oceans, the element central to all life on Earth is constantly on the move.
- The carbon cycle is a transfer of carbon between living matter and the atmosphere.
- Carbon is found in the atmosphere, in oceans and in rocks.
- When fossil fuels are burnt, the carbon in them is released into the atmosphere.
- Human activity affects the balance of the carbon cycle.
Carbon is an element, known as the building block of life.
All organic molecules, from sugars to DNA, depend on carbon.
It's found in the atmosphere, dissolved in oceans, and locked up in rocks.
A fixed amount of carbon exists on Earth.
It's continuously exchanged between these locations in a major ...
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