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
Q. Select the correct answer using the code given below :
(a) 1, 2 and 3 only
(b) 2 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3, 4 and 5
question_subject:
Science
question_exam:
CDS-I
stats:
0,65,33,14,9,10,65
keywords:
{'methane emission': [0, 0, 0, 1], 'atmosphere': [1, 1, 4, 7], 'automobile exhaust fume': [0, 0, 0, 1], 'industrial chimney': [0, 0, 0, 1], 'mining': [1, 0, 1, 6], 'wetland': [0, 0, 0, 1]}