Carbon-oxygen and nitrogen cycles : respiration, photosynthesis, and decomposition
Rebecca Harman
- 1st ed. Hardcover
- Oxford Heinemann Library 2005
- 32 p. : col. ill. ; 25 cm.
- Earth's processes Heinemann infosearch .
Summary: All living things need carbon, oxygen and nitrogen. From the tiniest bacteria to huge rainforests, find out how these elements are always being made, used and recylcled in the environment.