kristiechesser kristiechesser

08-02-2017
Biology

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Supergiant stars a. form from red giants. c. form planetary nebulae. b. fuse hydrogen into carbon. d. form supernovas.

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08-02-2017

supergiants end thier lives by going supernova. A supernova is an explosion that occurs when a star runs out of feul and fusion stops.

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MadHatter985 MadHatter985

08-02-2017

(D) form supernovas.

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