Which of the following are the reasons/factors for exposure

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Which of the following are the reasons/factors for exposure to benzene pollution?

(1)Automobile exhaust

(2)Tobacco smoke

(3)Wood burning

(4)Using varnished wooden furniture

(5)Using products made of polyurethane

Select the correct answer using the code given below:

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(1) ????????? ?????

(?) ??????? ?? ????

(?) ????? ?????

(4) ??????? ????? ?? ??????? ?? ????? ????

(5) ??????????? ?? ??? ???????? ?? ????? ????

???? ??? ?? ??? ?? ????? ???? ??? ????? ?????:

[UPSC CSE PRE 2020,Ecology and Environment 2017-2020]

A 1, 2 and 3 only

केवल 1, 2 और 3

B 2 and 4 only

केवल 2 और 4

C 1, 3 and 4 only

केवल 1, 3 और 4

D 1, 2, 3, 4 and 5

1, 2, 3, 4 और 5

Answer: (d) Explanation: Areas of heavy traffic, gas stations, and areas n...

?????: (??) ??????????: ???? ??????? ?? ???????, ??? ?????? ?? ???????? ??...

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