Why+is+the+sky+blue?


 * __WHY IS THE SKY BLUE?__**

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The atmosphere is the mixture of gas molecules and other materials surrounding the earth. It is made mostly of the gases nitrogen (78%), and oxygen (21%). Argon gas and water (in the form of vapor, droplets and ice crystals) are the next most common things. There are also small amounts of other gases, plus many small solid particles, like dust, soot and ashes, pollen, and salt from the oceans.Which is what cause the sky to be the light blue colour that it is.

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