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added by life-o-holic July 19, 2012, 11:54 a.m.
This is an iron buoy. Where were its atoms formed?
in a high-mass star preceding Sun
in the Sun
in the Earth's core
in the Earth's crust
Radioactive nickel-56 (which decays to the most common isotope of iron) is the last element to be produced before the collapse of a supernova. That is why the iron was abundantly scattered into space after the supernova explosion.
life-o-holic
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Correct this question
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Very interesting!
reach: rather globalastronomychemistryelementsphysicstechnology

Votes

+1 Very interesting!  Ebitu Ukiwe
      Acceptable  globalquiz.org