Conservative plate boundary - -Earthquakes -No volcanoes -The plates slide against eachother. Pressure builds up until they move with a "jerk" causing an earthquake., Destructive - Earthquakes Volcanoes. A continental plate meets an oceanic plate the oceanic plate is pushed under the friction caused the descending plate to heat up. The plate melts and magma is formed after the magma rises a volcano is formed the pressure becomes too much and the volcano erupts., Collison - Earthquakes No volcanoes. Its where two plates collide and crusted against eachother they are pushed upwards forming new mountains., Constructive - Volcanoes And Earthqaukes. Convection currents in the mantle pulls apart the two plates. This action cauzes magma to rise up from the mantle creating a volcano after filling the gap. This mostly occurs underwater and the midatlantic ridge forms. The volcanoes tend to be less explosive on these plate boundaries as the magma is not under the pressure to be realise. Rocks can shift when its pulled apart. This means that earthquakes can be felt on this plate.,

Geography revision!

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