Which industries release particulate air pollutants along with harmless gases, such as nitrogen, oxygen, etc.?

Category: QuestionsWhich industries release particulate air pollutants along with harmless gases, such as nitrogen, oxygen, etc.?
Editor">Editor Staff asked 3 weeks ago

Which industries release particulate air pollutants along with harmless gases, such as nitrogen, oxygen, etc.?
 
(a) Oil industry
 
(b) Invitro Fertilization clinics
 
(c) Plant tissue culture labs
 
(d) Thermal power plants and smelters
 
The question was posed to me in semester exam.
 
Enquiry is from Environmental Issues in division Environmental Issues of Biology – Class 12

1 Answers
Editor">Editor Staff answered 3 weeks ago

Right option is (d) Thermal power plants and smelters
 
The explanation is: The thermal power plants and smelters release smokestacks. These smokestacks contain particulate matter and various gases containing air pollutants along with harmless gases, such as nitrogen, oxygen, etc.