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staedtler staedtler
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7 years ago
The age of Moon rocks has been determined primarily by what method?
A)   Measurements of radioactive elements in the rocks
B)   Careful measurement of magnetic fields “frozen into” the lunar rocks
C)   Counting of the numbers of micrometeoroid craters on the rock surface
D)   Careful chemical analysis of the constituents
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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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staedtler Author
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7 years ago
Person Raising Both Hands in Celebration

Correct Slight Smile
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