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Dobsan units are used to measure the thi...

Dobsan units are used to measure the thickness of

A

Stratosphere

B

Ozone

C

Troposphere

D

CFCs

Text Solution

Verified by Experts

The correct Answer is:
B
• The thickness of the ozone in a column of air from the ground to the top of atmosphere is measured in term of Dobson unit (1 DU = 1ppb).
• The lowermost layer of atmosphere is called troposphere.
• CFCs are ozone depleting substances. Ozone found in upper part of atmosphere (the stratosphere) is called good ozone.
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