Monday 17 November 2008

8.4

Vocab:
carbon cycle - the process by which carbon molecules move between organic matter and organic matter

greenhouse: the property that keeps the earth warm by trapping heat from the sun.

Concept Check:

An example of inorganics carbon being transfered into organic is when a plant absorbs the CO2 from the air and produce sugar. An example of organic compound moving carbon into inorganic compounds is when animals eat food and produce CO2.

Cabon Dioxide is very important to the Earth's climate because they trap heat from the sun to keep earth warm during the night.

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