Which metal pollute the air of a big city?
A. Copper
B. Chromium
C. Lead
D. Cadmium
Answer: Option C
Solution(By Examveda Team)
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.This Question Belongs to General Knowledge >> General Science
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Option C) Lead is in kannada ಸೀಸ but they showing ಮುನ್ನಡೆ it's a wrong sir plz currection it🙏🏻
which year ask that question?
which exam ask this question????