Ozone
the earth's sunscreen
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Contributions
- Brassard, Daniel J. 1953- - Contributor
- Canada. Library of Parliament. Science and Technology Division. - Contributor
Publication
1992 - Library of Parliament, Research Branch, Ottawa, Ontario
Language
English
Word Count
5,500 words, Guess
Page Count
22 pages
Identifiers
- ISBN-100660145847
- ISBN-139780660145846
- Open LibraryOL20912736M
Alternate Titles
- The earth's sunscreen - ozone.
Subjects
Topics
Ozone layerGovernment policyOzone layer depletionOzone layer depletion -- Government policy -- Canada
Places
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