Chemistry
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O S
  • Member for 5 years, 9 months
  • Last seen more than 3 years ago
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41
Why wouldn't the part of the Earth facing the Sun half year before facing away from it now at noon?
31
What keeps galaxies together?
29
Why is a 440 Hz frequency considered the "standard" pitch for musical instruments?
14
Isn't square root a bit like Log()?
11
Is it reasonable to expect students to always eat lunch with the other employees?

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