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==Notes== | ==Notes== | ||
*ozone layer (22) naturally occuring gases that make up the [http://www.wisegeek.com/what-is-ozone.htm?referrer=adwords_campaign=ozone_ad=024321&_search_kw=ozone%20layer atmosphere]. | *ozone layer (22)- naturally occuring gases that make up the [http://www.wisegeek.com/what-is-ozone.htm?referrer=adwords_campaign=ozone_ad=024321&_search_kw=ozone%20layer atmosphere]. | ||
*Antarctica (23) an ice covered [http://www.antarctica.net.au/ continent] that lies in the Artic Ocean. | *Antarctica (23)- an ice covered [http://www.antarctica.net.au/ continent] that lies in the Artic Ocean. | ||
==Commentary== | ==Commentary== |
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