Tsunamis (and also underground volcano eruptions)<span />
The independence of Quebec might affect the political geography of Canada by creating another country or region of Canada that has a potentially autonomous or semi-autonomous form of government.
The continental plate is less dense that the oceanic plate and so sinks underneath the oceanic plate. The oceanic plate holds water and so when the continental plate sinks underneath it, the water from the oceanic plate covers the continental plate.
Transform plate boundary = two plates moving horizontally past each other
divergent plate boundary= two plates moving away from each other
convergent plate boundaries= two plates moving towards each other<span />
The other 3 terrestrial planets are closer to the sun than earth.
