Answer:
oh I learned this long time ago but i'm here to help
Explanation:
The sky is blue because there are gases and particles in the earth's atmosphere that scatter sunlight in all directions. There is this thing called Blue light "blue light " is basically light. anyways Blue light is also scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
Yea hope this is helpful !