Quick practice
Question 1 of 5
Consider the following statements with reference to Ozone:
1. It occurs naturally in the upper layers of the atmosphere.
2. At the ground level, it is a pollutant with highly toxic effects.
Which of the above statement(s) is/are correct?
A
Neither 1 nor 2
B
Only 2
C
Only 1
D
1 and 2 both
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