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A ball of gas becomes a _____ when nuclear fusion begins in its core. A. star B. nebula C. protostar D. white dwarf
A ball of gas becomes a STAR when nuclear fusion begins in its core.
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User: A ball of gas becomes a _____ when nuclear fusion begins in its core. A. star B. nebula C. protostar D. white dwarf

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Asked 5/9/2012 12:32:16 PM
Updated 1 day ago|5/28/2015 9:24:28 PM
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Flagged by alfred123 [5/28/2015 9:24:27 PM]
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A ball of gas becomes a STAR when nuclear fusion begins in its core.
Added 1 day ago|5/28/2015 9:24:28 PM
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