Cover image for Carbon-oxygen and nitrogen cycles
Title:
Carbon-oxygen and nitrogen cycles
Personal Author EPSB:
Year Published:
2005
Physical Description:
32 p. : col. ill. ; 25 cm.
Contents:
What are carbon, oxygen, and nitrogen? -- What is the carbon-oxygen cycle? -- What is the nitrogen cycle? -- How does energy flow between living things? -- What is photosynthesis? -- What is respiration? -- How do humans affect the carbon-oxygen cycle? -- How do humans affect the nitrogen cycle?
ISBN:
9781403470676

9781403470607
Publisher:
Chicago : Heinemann Library, c2005.