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Environmental Issues. — Bio Zoology STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12Bio ZoologyEnvironmental Issues.3 Marks
Question
How Ozone depletion can be controlled?
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Answer

Ozone layer depletion can be controlled by
  1. Phase down or ban the use of CFCs (CFC free refrigerants).
  2. Minimizing the use of chemicals such as halons and halocarbons.
  3. Creating awareness about ozone depleting agents.

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