carbon cycle storyboard avec dilbs
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PHOTOSYNTHESIS: plants absorb carbon dioxide and water to make food and oxygen.
RESPIRATION: animals inhale oxygen and exhale carbon dioxide.
DEATH AND DECAY: animals and plants die and decompose, sending carbon dioxide into the soil and air.
DEATH AND FOSSILISATION: over millions of years, dead bodies become crude oil and coal.
EXCRETION: the process of releasing waste which also releases carbon dioxide and methane.
COMBUSTION: carbon dioxide goes from combustion into the atmosphere causing temperatures to rise.
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