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Home Q & A Board Science-Related Homework Help Physics
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staedtler staedtler
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7 years ago
The person who introduced the leap year into our calendar was
   A)  Sir Isaac Newton.    B)  Pope Gregory XIII.    C)  Julius Caesar.    D)  Ptolemy.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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discovererdiscoverer
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7 years ago
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staedtler Author
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7 years ago
On behalf of my study group and I, thank you
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