A) 1-(b), 2-(a), 3-(c)
B) 1-(c), 2-(a), 3-(b)
C) 1-(a), 2-(b), 3-(c)
D) 1-(c), 2-(b), 3-(a)
Correct Answer: D
Solution :
(1) is dust, (2) is smoke and (3) is germ. A foot mat has a lot of dust. Beating a foot mat releases dust in air and makes it dirty. A moving vehicle releases smoke in the air. Sneezing or coughing releases germs in the air.You need to login to perform this action.
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