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doit_the_clown doit_the_clown
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7 years ago
Viking 1 and 2, the planet-exploring spacecraft, were sent to which planet?
   A)  Mars    B)  Jupiter    C)  Venus    D)  Mercury
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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discovererdiscoverer
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7 years ago
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