Lava refers both to molten rock expelled by a volcano ...
An earthquake (also known as a quake, tremor or temblor) is ...
Recycling is a process to change materials (waste) into new ...
An aftershock is a smaller earthquake that occurs after a ...
Shield volcanoes, so named for their broad, shield-like ...
Mount St. Helens is an active stratovolcano located in ...
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Terms
Blossaries
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Followers
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