Which metal pollute the air of a big city?

Copper
Chromium
Lead
Cadmium

LohaHridoy

6 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 3

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.

6 views Answered 2022-09-01 13:21

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