Some statements regarding air pollution are given. Among them, the correct statements are (a) Above 80% of CO is released from automobiles. (b)in urban areas, at the peak time of the traffic the level of CO is 100 to 500ppm (c) If the percentage of CO-Hb in the blood is 32% it causes immediate death (d) TLV of CO in the atmosphere is 9ppm

Some statements regarding air pollution are given. Among them, the cor

1.	Some statements regarding air pollution are given. Among them, the correct statements are (a) Above 80% of CO is released from automobiles. (b)in urban areas, at the peak time of the traffic the level of CO is 100 to 500ppm (c) If the percentage of CO-Hb in the blood is 32% it causes immediate death (d) TLV of CO in the atmosphere is 9ppm
Answer» All ONE correct Only a,B and d Only a and d Only b, C and d Answer :B