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UPSC Prelims GS - 2023

Solution
Discussion

Section-1

(+ 2 , -0.66 )
Question 89
MEDIUMCorrect: +2Incorrect: -2

Consider the following statements regarding mercury pollution :
1. Gold mining activity is a source of mercury pollution in the world.
2. Coal-based thermal power plants cause mercury pollution.
3. There is no known safe level of exposure to mercury.
How many of the above statements are correct?

    a
    Only one
    b
    Only two
    c
    All three
    d
    None