What is the first event that happens to a star with roughly the mass of our sun that exhausts the hydrogen in its core and stops the generation of energy by the nuclear fusion of hydrogen to helium? describe the sequence of events that the star undergoes.

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).

it breaks and dirupture other materials and other sencews from the bottom

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