The San Andreas Fault is a continental transform fault that ...
Lake Vostok is the largest of more than 140 subglacial ...
Lake of Puigcerda was named after the capital of Catalan ...
The underground river that flows 13,000ft below ground ...
Grass (graminoids) is an herbaceous plant with narrow ...
Ozone loss in the Arctic or the North Pole. The Earth is ...
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