The correct answer is - temperature.
We see the stars on the night sky in multiple colors, and the variation in the colors of the stars comes from the differences in temperature. The cooler a star is, the more reddish it appears, the hotter the star is the more blueish or whitish they appear. From cool to hot, the stars can appear in the variations of red, orange, yellow, green, blue/white colors, and it is an easy indicator of the temperature of them.
Answer: I'd say education and social/cultural things.
Explanation: Most people come here for cultural, education and freedom.
Reality is based on chances and circumstances
Answer:
It produces harmful gases which will pollute the air we breathe.
