Which scientific phenomenon scientists determine the chemical composition of some stars? a. absorption of light in a star’s atmosphere b. dispersion of light as it enters earth’s atmosphere c. reflection of light d. refraction of light

The correct answer is A.

Explanation:

Matter can absorb or emit the light. It does not matter what is the source of light. It may be the surface of sun or star.

Atmosphere absorbs the part of white light  which is emitted from star. It produces a color spectrum marked by the dark lines. These dark lines are absorption lines. These lines show the characteristics of the elements present  in the gas.

The spectrum of star gives the information about the chemical composition of its atmosphere.

Therefore, Absorption of light in star's atmosphere is the scientific phenomenon which helps scientists to determine the chemical composition of some star.

answer

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explanation:

i think it's 35 meters