sh6untesandozayn
sh6untesandozayn sh6untesandozayn
  • 03-05-2016
  • Chemistry
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Why do lighthouses use lenses?

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Аноним Аноним
  • 03-05-2016
To see far away? I'm thinking that like human glasses, lighthouses need lenses to see the far away boats. Or humans.
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plz help me out somebody