Harman, Rebecca

Carbon-oxygen and nitrogen cycles / Rebecca Harman. - Chicago, IL : Heinemann Library, c2005. - 32 p. : ill. - Heinemann infosearch Earth's processes .

Includes bibliographical references and index.

ISBN: 1403470677 (pbk.) ;

Subjects--Topical Terms:
Atmospheric chemistry
Atmospheric carbon dioxide
Oxygen
Atmospheric nitrogen compounds