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Monday, 16 April 2018

Of the following, which one pollutes the air of a big city?

  By GK Planet Team       Monday, 16 April 2018
Q. Of the following, which one pollutes the air of a big city?
  1. Copper
  2. Cadmium
  3. Lead
  4. Chromium
Answer: Lead

The lead in fuels contribute to air pollution, especially in urban areas. Soils near highways, freeways, and smelting facilities have higher levels of lead than soils in other areas because of their exposure to lead dust, which accumulates over time.

Exposure to small amounts of lead over a long period of time is called chronic toxicity. Lead is particularly dangerous because once it gets into a person's system, it is distributed throughout the body just like helpful minerals such as iron, calcium, and zinc. And lead can cause harm wherever it lands in the body.
Lead (Pb) is an elemental heavy metal found naturally in the environment as well as in manufactured products. Lead can be released directly into the air, as suspended particles. Historic major sources of lead air emissions were motor vehicles and industrial sources.
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Thanks for reading Of the following, which one pollutes the air of a big city?

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