One major difference between members of domain eukarya and members of domain archea is that members of domain eukarya
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are all single-celled, while members of archea are multi-celled.
have cell nucleuses, while members of archea do not.
are autotrophs, while members of archea are heterotrophs.
All of these choices are correct.

have cell nuclei while members of archaea do not

Explanation:The brilliant point of light is the explosion of a star that has reached the end of its life, otherwise known as a supernova. Supernovae can briefly outshine entire galaxies and radiate more energy than our sun will in its entire lifetime. They're also the primary source of heavy elements in the universe