Lava refers both to molten rock expelled by a volcano ...
The elements of cumulus and stratus clouds that appear in ...
Ozone loss in the Arctic or the North Pole. The Earth is ...
Seismometers are instruments that measure motions of the ...
A temperature scale where water at sea level has a freezing ...
Mount Vesuvius is a stratovolcano in the Gulf of Naples, ...
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Terms
Blossaries
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Followers
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5
1
4
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10
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11
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