What factor affects the color of a star

Varies

Explanation:

The color of a start can be affected my many things. The temperature at which it burns, the density, the size, its stage of life, and the material that it's made of can all be factors

the millers tale is the answer.

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

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