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symbo symbo
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7 years ago
The so-called “water hole” is a range in the electromagnetic spectrum in which searches for transmissions of extra-terrestrial origin are being conducted.  In what region of the electromagnetic spectrum does the “water hole” occur?
   A)  Ultraviolet    B)  Visible    C)  Infrared    D)  Microwave
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Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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7 years ago
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symbo Author
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7 years ago
Just got PERFECT on my quiz
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This helped my grade so much Perfect
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