MCQ
Approximate height of ozone layer above the ground is
- ✓$60\;km$ to $70\, km$
- B$59 \,km$ to $80 \,km$
- C$70\, km$ to $100 \,km$
- D$100 \,km$ to $200 \,km$
✓
Answer
Correct option: A.
$60\;km$ to $70\, km$
a
(a)
(a)
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