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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
Detailed Solution
Ozone in the upper atmosphere (stratosphere) is good ozone: it absorbs ultraviolet radiation from the sun and protects living organisms.
It is ozone in the lower atmosphere (troposphere) that is harmful.
So the statement that ozone in the upper part of the atmosphere is harmful to animals is wrong.
It is ozone in the lower atmosphere (troposphere) that is harmful.
So the statement that ozone in the upper part of the atmosphere is harmful to animals is wrong.