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

1.	Of the following, which one pollutes the air of a big city ?
Answer» <html><body><p> Lead</p><br/><br/><p>Lead pollution primarily came from cars in the past. Today, lead pollution primarily comes from lead smelters, <a href="https://interviewquestions.tuteehub.com/tag/metal-1094457" style="font-weight:bold;" target="_blank" title="Click to know more about METAL">METAL</a> processing plants and incinerators. Deposits of lead in soil can harm both humans and animals by <a href="https://interviewquestions.tuteehub.com/tag/absorbing-846198" style="font-weight:bold;" target="_blank" title="Click to know more about ABSORBING">ABSORBING</a> it into a <a href="https://interviewquestions.tuteehub.com/tag/body-900196" style="font-weight:bold;" target="_blank" title="Click to know more about BODY">BODY</a>.</p></body></html>

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