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Plate Tectonics (Continental drift (Fossils match (The fossils in South…
Plate Tectonics
Continental drift
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Fits like a puzzle
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Ancient climates
They found coal in antarctica, and coal comes from the break down of organic organisms which means it must have at one time had a tropical climate.
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magnetism
How does it work
Gravity
Gravity pulls the tectonic plates
into the mantle. And causes the
more dense parts of the
mantle to sink towards the core.
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Convection Currents
It is caused by radioactive decay
in the core. The radiation released
is hot and melts the mantle
close to the core. This mangle
becomes less dense and the
heavier and more dense mantle sinks
words the core and pushes the
hot less dense mantle up towards the crust.
Boundaries
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Convergent Boundary
oceanic continental
convergent boundary
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