A dim but logical student

A science teacher tells his class, “Oxygen is essential to life. It was discovered in 1773.”

A puzzled student says, “How did they manage before 1773?”

This entry was posted in education, Humour, Science and tagged . Bookmark the permalink.

1 Response to A dim but logical student

  1. David Marshall says:

    .. and there’s the myth not enough oxygen at top of Everest ! ’tis the lack of sufficient air pressure that is the problem ! Likewise with running out of oxygen in a stricked sub or Appollo 13.. ’tis the build up of carbon dioxide that causes them to go to sleep… still plenty of oxygen…

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