Q. The ozone layer is mainly found in the lower portion of the

A
Stratosphere
B
Troposphere
C
Mesosphere
D
Thermosphere
Solution:

Earth’s atmosphere has four primary layers, which are troposphere (0 to 12 km), stratosphere (12 to 50 km), mesosphere (50 to 80 km), and thermosphere (80 to 700 km).

The stratosphere is just above the troposphere, and below the mesosphere.

The ozone layer was discovered by Charles Fabry and Henri Buisson.

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