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A powerful eye irritant present in smog is
Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?
Which of the following pollutants is the major contributor to photochemical smog?
Which of the following group of gases cause photochemical smog?
নিম্নলিখিত কোন গ্যাস photochemical ধোয়াসার (smog) জন্য দায়ী নয়?
Photochemical smog is formed from automobile exhaust
Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes
The antonym of 'IRRITANT' is ____.
May physician has told me that stomach ulcres are "not caused by stress ,alcohol,or rich foods" but a bacterium that dwells in the mucous lining of the stomach.(Match the best alternative that correspond to the quotations word)
Mucous secreting glands are