Lava refers both to molten rock expelled by a volcano ...
A fracture is any separation in a geologic formation, such ...
Villarrica, one of Chile's most active volcanoes erupted in ...
Volcanic cones are among the simplest volcanic formations. ...
An earthquake (also known as a quake, tremor or temblor) is ...
The season of the year which occurs as the sun approaches ...
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Terms
Glosare
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Followers
95
10
7
51
1
60
2
3