First Children Encyclopedia

(Marvins-Underground-K-12) #1

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DigestersDecomposition in the soil is helped along by the endless action of worms and bacteria. These animals are an important part of the carbon cycle.


All living things


A diamond.


Plants and animals die and their bodies decay.

Waste disposalWhen animals die, their bodies break down and decompose.


Waste fertiliserPart of you might once have been part of a dinosaur. Why? Because like all living things, dinosaurs produced waste and their waste became a part of the never-ending carbon cycle.


Fossil fuelsSometimes the remains of organisms are exposed to extreme pressure and heat. Over millions of years, they turn into carbon-rich fuels, like coal and oil.


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