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symbo symbo
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7 years ago
The most common elements in the universe are
A)   about equal amounts of all elements up to iron, but very little of any heavier elements.
B)   hydrogen and helium, with small amounts of heavier elements.
C)   nitrogen and oxygen, with smaller quantities of hydrogen, helium, and heavier elements.
D)   heavy elements, with smaller quantities of hydrogen and helium.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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papachulopapachulo
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7 years ago
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symbo Author
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#2
6 years ago
Very informative, I appreciate the extra effort
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#3
4 years ago
thanks
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