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A chemical, commonly known as CFCs (ChloroFlouroCarbons) have been known to thin the ozone considerably. They were used previously in spray cans, refrigerators, and polystyrene foam but those are now banned in many places. The use of CFCs peaked in the late 1920s soon after it was invented. This was a cheap and useful "wonder chemical". Large amounts were used for a very long time, until scientists discovered its harmful side effects.

CFCs are not the only reason our ozone molecules are depleting. Aircrafts and space shuttles play a large role in this epidemic, as well. Factories deposit high amounts of toxins into air that stop the ozone from joining together.

There are natural causes such as large forest fires, volcanic eruptions, lightning, and many more.

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What is the natural cycle that creates and destroys ozone molecules?

The ozone cycle is the one. It is important to maintain the ozone layer.


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