why the sky is blue

The sky is blue because the clouds are white and sometimes gray. so when the sun is up it reflects many colors and it goes to the sky. It has to also be blue from the nice day it is or how the day is going to turn out. the sun reflects to the clouds and has a great light that will make it different kinds of blue each and everyday. the sky is also blue from the happiness from people. it makes it more of an excited and happy color. the sky has a way of bringing its own color to the sky and clouds that make it blue.