How does earth's interior affect its surface

Why do oceanic plates tend to subduction when colliding with a continental plate

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.

During convection, less dense fluid rises and denser fluid sinks.