Related Questions

Which of the following is not a natural source of air pollution ?
A Volcanic eruptions and lightening discharge
B Biological decay of vegetable matter
C Photochemical oxidation of organic number
D None of the above
Which of the following is not a natural source of air pollution?
A Volcanic eruptions and lightening discharges
B Biological decay of vegetable matter
C Photochemical oxidation of organic matter
D None of these
Choose the word that best completes the sentence : Noise pollution generally receives less attention than ----- air pollution.
A does
B it does
C over
D it does over
Air pollution caused by industrial fumes "has" been studied for years, "but " only recently "has" the harmful effects of noise pollution "become" known.
A 1
B 2
C 3
D 4
Noise pollution generally receives less attention than------ air pollution.
A does
B it does
C over
D it does over
Which of the following is a man-made source of air pollution ?
A Automobile exhaust
B Forest fire
C Bacterial action in soil and swamp areas
D All of the above
Which of the following is a manmade source of air pollution?
A Automobile exhaust
B Forest fire
C Bacterial action in soil and swamp areas
D All of the above
বাংলাদেশের শহরগুলোতে বায়ুদূষণের প্রধান অংশ নয় কোনটি? (Which one is not a major source of air pollution in the cities of Bangladesh?)
A গাড়ি (Vehicles)
B ইটভাটা (Brickfield)
C নির্মান এলাকা (Construction sites)
D বায়োমাস পোড়ানো (Blomass burning)
Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.
A Unsaturated hydrocarbon content
B Calorific value
C Quantity of propane
D Quantity of butane
Air pollution level is considered to be moderate if Air Quality index between
A 0 to 50
B 51 to 100
C 101 to 150
D 151 to 200

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