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symbo symbo
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7 years ago
How much more light falls on a unit area of Mercury's surface than on an equivalent area of the Moon if Mercury is at 0.4 AU and the Earth's Moon is at 1.0 AU from the Sun?
   A)  0.4    B)  6.25    C)  2.5    D)  0.16
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Discovering the Universe

Discovering the Universe


Edition: 7th
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symbo Author
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7 years ago
Thanks for your help!!
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Correct Slight Smile TY
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Just got PERFECT on my quiz
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