Based on observations, which of the following statements about stars in the Milky Way is generally true?
A. The older the star, the bluer its color.
B. The older the star, the faster its orbital speed.
C. The older the star, the lower its abundance of heavy elements.
D. The younger the star, the higher its mass.
Answer:C
Based on observations, which of the following statements about stars in the Milky Way is generally true?
A. The older the star, the bluer its color. B. The older the star, the faster its orbital speed. C. The older the star, the lower its abundance of heavy elements. D. The younger the star, the higher its mass.