JOURNAL ARTICLE

WHERE DID THE OZONE LAYER COME FROM?

  • Published In: How It Works, 2024, n. 187. P. 70 1 of 3

  • Database: Science Reference Ultimate 2 of 3

  • Authored By: DUTFIELD, SCOTT 3 of 3

Abstract

The ozone layer, located between 10 and 25 miles above the Earth's surface, protects us from harmful solar radiation. It is formed by the absorption of high-energy ultraviolet (UV) rays by oxygen molecules in the stratosphere. Before the ozone layer existed, life was limited to the oceans, but thanks to algae producing oxygen through photosynthesis, the ozone layer formed and allowed life to venture onto land. The ozone layer is crucial for protecting life on Earth from the harmful effects of UV radiation, and the use of chlorofluorocarbons (CFCs) has been found to deplete the ozone layer. Efforts to phase out CFCs have been successful, and the ozone layer is gradually repairing itself. [Extracted from the article]

Additional Information

  • Source:How It Works. 2024/03, Issue 187, p70
  • Document Type:Article
  • Subject Area:Earth and Atmospheric Sciences
  • Publication Date:2024
  • ISSN:2041-7322
  • Accession Number:175404017
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