alexis3588 alexis3588
  • 27-02-2018
  • Mathematics
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From january 1 to december 31 of the same year, how many times does the suns perpendicular ray cross the equator

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sqdancefan
sqdancefan sqdancefan
  • 27-02-2018
Twice.

Once at the spring equinox, once at the fall equinox.
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