Causes of Volcanic Eruptions: the buoyancy of the magma, changes in internal pressure of the rock layers.
Effects: ash, lava, hazard to living organisms and plants, ruined infrastructure and destroyed buildings
Causes of Landslides: wrong human activity, too much weight on the slopes, winds, sudden flows of water along the slope.
Effects: closed roads, ruined buildings and forests, changes of the landforms.
Causes of Earthquakes: mobility of plates, release of stress along the plate boundaries.
Effects: deaths, ruined infrastructure and destroyed buildings.
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