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Which one of the following is a WRONG statement?

  1. A
    Eutrophication is a natural phenomenon in freshwater bodies
  2. B
    Most of the forests have been lost in tropical areas
  3. C
    Ozone in upper part of atmosphere is harmful to animals
  4. D
    Greenhouse effect is a natural phenomenon

Solution & Step-by-step Explanation

Ozone () in the upper part of the atmosphere (stratosphere) acts as a protective shield, absorbing harmful UV radiation from the sun. It is beneficial, not harmful, to animals in that region. Ground-level ozone (troposphere) is a pollutant and is harmful.

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Which one of the following is a WRONG statement?
A
Eutrophication is a natural phenomenon in freshwater bodies
B
Most of the forests have been lost in tropical areas
C
Ozone in upper part of atmosphere is harmful to animals
D
Greenhouse effect is a natural phenomenon

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Environmental IssuesOzone DepletionGreenhouse Effect

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