Contact lenses are made from

Options :
  1. poly vinyl chloride
  2. poly styrene
  3. lucite
  4. teflon
Answer and Explanation :-

Answer: Option 3

Explanation:

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As evolutionary time is measured, we have only just turned up and have hardly had time to catch breath, still marveling at our thumbs, still learning to use the brand-new gift of language. Being so young, we can be excused all sorts of folly and can permit ourselves the hope that someday, as a species, we will begin to grow up.
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