Stars twinkle because

[A].	the intensity of light emitted by them changes with time
[B].	the distance of the stars from the earth changes with time
[C].	the refractive index of the different layers of the earth's atmosphere changes continuously, consequently the position of the image of a start changes with time
[D].	the light from the star is scattered by the dust particles and air molecules in the earth's atmosphere

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.