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Ozone Layer

Ozone is just like the earth's natural sunscreen. It absorbs and blocks the entering of harmful radiations in our atmosphere.

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Channels: Healthcare Management Environmental engineering

Tags: World Without Earths Ozone

Uploaded by: ( Send Message ) on 30-11-2010. Dnatube suggest users to have interest in drug testing, mesothelioma, insurance, medical lawyers.

Duration: 2m 0s

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