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Class 10 Science Medium Mcq English Medium

When did the amount of ozone in the atmosphere begin to drop sharply, as noted in the chapter?

Question
When did the amount of ozone in the atmosphere begin to drop sharply, as noted in the chapter?
In the 1950s
In the 1980s
In the 2000s
In the 1920s
Answer
In the 1980s
Detailed Explanation
The chapter states that the amount of ozone in the atmosphere began to drop sharply in the 1980s. — Examisthan.com
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