A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. Earth's volcanoes occur because its crust is broken into 17 major, rigid tectonic plates that float on a hotter, softer layer in its mantle.
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Quiz Questions And Answers
What is the richter scale
The richter scale has never gone above 9
A volcano that is no longer active is called what
A earthquake is only noticeable by instruments up to what on the richter scale
Molten rock is called
A eathquake is caused when
Volcanoes only erupt after a eathquake
The Ring of Fire refers to the volcanoes that are
The Ring of Fire is created because plates push against each other. What type of plate interaction is that called?
Other volcanoes can form because the plates are pulling away from each other. This happens at divergent plate boundaries. When this process happens on land, the volcano forms in t
A FIXED source of abundant rising magma that forms a volcanic center is called a
Island chains (or archipelagos) are mostly created by hotspots
The Ring of Fire has the most volcanic activity in the world
The Ring of Fire touches nearly all continents except for...
This picture shows a volcano that already erupted in Oregon.That type of volcano is called a
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