These are pictures of air!

Have you ever asked your self why air is so important? If you haven't, I'll tell you. Well, just because without air you wouldn't be alive because you need to breath. Try this out, try to not breath just for ten seconds and you'll see that you need air. Did you know factories can contaminate the air? Well, it could contaminate the air with the gas or steam. You can start from a cigarette to a huge factory. What could contaminate the air, a cigarette, a car, a factory and all the stuff that has steam and gas.

Answer this question for me. Do you like a blue or a dark sky? If you choose a blue sky try to read the next sentences.

Clean Air

As you can see that blue sky is perfectly clean, so if you want a clean blue sky like the one in the picture, just don't contaminate the beautiful air. You can breathe fresh air if you don't contaminate the air in our sky.

Contaminated Air

As you can see the picture on top is different from the one in the bottom. Well, as you can see the difference is in the contamination of the sky.