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Ozone Recover? Basic

The use CFCs and other ozone depleting chemicals has been reduced. The ozone hole is starting to recover and may be healed by 2070.

It is an educational content of CK-12 Foundation (to access some of t ...

Hezkuntza-eduki gehiago eskuratu nahi dituzu?

Saioa hasi Egin bat eskola batekin
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Jokoaren laguntza
Juegos de anatomía
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