Question:
In 2002 AD, According to one research the concentration of CFC reached
In 2002 AD, According to one research the concentration of CFC reached
Updated On: Jul 28, 2022
- 261 ppt
- 368 ppm
- 1750 ppb
- 326 ppb
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The Correct Option is A
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Answer (a) 261 ppt
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