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A layer of atmosphere extending from 10 – 50 kilometers above ear...

12th Class Punjab Board Exams Quizzes MCQs Quizzes Punjab Biology 12th Class Chapter 13 Man and his Environment

Question:
A layer of atmosphere extending from 10 – 50 kilometers above earth is:

Option A):
Cloud
Option B):
Meteor
Option C):
Air
Option D):
Ozone

Correct Answer is Option D):
Ozone

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