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Phenomenons (tectonic plate movement (The tectonic plates are always…
Phenomenons
earthquakes
Are caused by a shift in the tectonic plates.
the biggest earthquake recorded is 9.4-9.6
many earthquakes in one place is called an earthquake sworm.
fossils
imprints or casts left in rocks from objects or living things.
Two types of fossils (cast and mold).
Can tell a fossils age by using the amount of carbon that is left in it.
tectonic plate movement
The tectonic plates are always moving.
The tectonis plates are above the mantle
causes both earthquakes and volcanic eruptions
Volcanoes
¨ring of fire¨ is where most of the worlds volcanoes are located.
nobody can tell when it will occur.
magnitude is how much magma ash and debris comes out when it erupts.
