Certain substances are classified as water pollutants, others as air p – McqOptions

MCQOPTIONS

1.	Certain substances are classified as water pollutants, others as air pollutants and still others as land pollutants. Which one of the following pollutes are three parts of our environment?
A.	Flourocarbons
B.	Smog
C.	Acid rain
D.	Ozone
Answer» D. Ozone

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