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Ozone hole is...

Ozone hole is

A

Absence of `O_3` in the troposphere

B

Absence of` O_3` in the stratosphere

C

Deficiency of `O_3` in stratosphere

D

Deficiency of `O_3` in troposphere

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Knowledge Check

  • Ozone hole refers to

    A
    Hole in ozone layer
    B
    Reduction in thickness of ozone layer in troposphere
    C
    Reduction in thickness of ozone layer in stratosphere
    D
    Increase in concentration of ozone

  • Ozone hole refers to

    A
    Hole in ozone layer
    B
    Reduction in thickness of ozone layer in troposphere
    C
    Reduction in thickness of ozone layer in stratosphere
    D
    Increase in concentration of ozone

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