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What role do chlorine radicals play in ozone depletion?

Options

  1. AChlorine radicals promote the formation of ozone.
  2. BChlorine radicals have no impact on ozone in the stratosphere.
  3. CChlorine radicals break down ozone molecules.
  4. DChlorine radicals enhance ozone stability.

Correct answer

C. Chlorine radicals break down ozone molecules.

Step-by-step solution

Chlorine radicals released from CFCs in the stratosphere react with ozone, causing the breakdown of ozone molecules and contributing to ozone layer depletion.

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