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Which metal pollute the air of a big city

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General Science
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Which metal pollute the air of a big city?

Answer & Solution
Correct Answer: Option C
Major sources of lead emissions to the air today are ore and metals processing and piston-engine aircraft operating on leaded aviation gasoline. The highest air concentrations of lead are usually found near lead smelters.
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Mr. SunilChavan
Mr. SunilChavan 5 years ago
Option C) Lead is in kannada ಸೀಸ but they showing ಮುನ್ನಡೆ it's a wrong sir plz currection it🙏🏻
Akshay Dhotre
Akshay Dhotre 10 years ago
which year ask that question?
Akshay Dhotre
Akshay Dhotre 10 years ago
which exam ask this question????
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