Simple Description

A greenhouse gas produced when most fuels burn - it helps cause global warming.

Further Detail

Carbon dioxide is a waste product from respiration. When fuels are burned they release carbon dioxide into the atmosphere, which causes global warming and the greenhouse effect. Carbon dioxide can be tested for using limewater - when carbon dioxide bubbles through limewater it will turn the limewater cloudy.

Related Words:

• Greenhouse effect
• Global warming
• Biomass
• Biofuel
• Respiration

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