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4-6Searchlight Books: What Are Earth's Cycles? series.
The cyclical biological and chemical processes of reproduction and the transfer of carbon are explained. Animal presents a straightforward account of the general stages in most animal life cycles; Carbon focuses more on human uses of carbon and on climate change. Color photographs and activities of varying quality are included. Reading list, websites. Glos., ind. Review covers these Searchlight Books: What Are Earth's Cycles? titles: Investigating Animal Life Cycles and Investigating the Carbon Cycle.