Extinct volcanoes are those that scientists consider ...
Ozone loss in the Arctic or the North Pole. The Earth is ...
A fracture is any separation in a geologic formation, such ...
A black smoker or sea vent is a type of hydrothermal vent ...
A temperature scale where water at sea level has a freezing ...
Where lava from a volcanic mountain forcefully, but not ...
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Terms
Blossaries
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Followers
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