結果 : can the ozone layer repair itself
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The Ozone Layer Will Repair Itself Over the Next 50 Years...

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CAN OZONE LAYER REPAIR ITSELF ?#Shorts #backtobasic #kmc

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Ozone Layer Will Be Completely Healed by 2060..

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Earth's Ozone Layer is Finally Healing Itself | Healthy Earth | Ozone layer | Coronavirus 2020

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