The Depletion of Ozone Is Particularly Serious at Earth's Poles

question 92

Multiple Choice

The depletion of ozone is particularly serious at Earth's poles because

• A) these cold areas experience little lightning.
• B) there are more industries in these areas.
• C) there is little O₂ in these regions due to the earth's magnetic fields.
• D) polar "ice clouds" act as catalysts to convert HCl to Cl₂.

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Industrial Crane

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