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=Dynamic Earth=

Divergent Boundries
One action of these plates are when magma rises magma pushes apart the plates. When 2 plates move away from each other creating a break or a rift in the earths crust it is a divergent boundry. The most rapid divergent-more than 17cm-(6.7) per year- occurs between the pacific plate and the Nazca plate, far off the coast of West Africa.



Convergent Boundries
A convergent boundry is when a plate collides with or dives under another plate. Where plates colide and the earths crust crumbles and buckles into mountains over time. Mountains are made by pushing plates together. India and Asia crashed about 55 million years ago slowly giving rise to the himalayas.

Transform Boundries
Two plates grind against each other. The tension is released through an earthquake. One of the most active transform boundries seperates the Indian and Arabian plates. There are a lot of transform boundries in california. That is why there are earthquakes commonly in california. There are also some transform boundries in the pacific ocean seperating the African and South American Plate.

South American Plate African plate