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The Carbon Cycle
häftad,
2014,
Engelska,
ISBN 9780778706212
Readers will discover that the natural element carbon is found in all living things, including people. This fascinating book explains how the Earth’s supply of carbon moves among …
Earths Water Cycle
häftad,
2014,
Engelska,
ISBN 9780778706250
Essential to life, water can be found in different states, or forms, all around us. This important book explains how the Earth’s supply of water moves from bodies of water, to the …