Daily changes in the elevation of the ocean surface currents are called

Their called tides.

-I hope this helps! (:

Answer: the philippines has suffered from an inexhaustible number of deadly typhoons, earthquakes, volcano eruptions and other natural disasters. this is due to its location along the ring of fire, or typhoon belt – a large pacific ocean region where many of earth's volcanic eruptions and earthquakes occur.

Brand c i think that should be it