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Acid rain
CO2
SO2
Dust particles
Which of the following is a skin disease?
Which of the following is a waterborne diseases and a cause to gastrointestinal infection.
Which of the following is abundant in Gobar gas -
Which of the following is always found in a free state in nature?
Which of the following is an air-borne disease?
Which of the following is an ore of iron?
Which of the following is biodegradable?
Which of the following is called the complete food ?
Which of the following is chief source of Napthalene ?
Which of the following is incorrect regarding the first law of thermodynamics?