Technologies to reduce sulfur dioxide emissions are 1.widely used in US power plants that burn coal.

2.not possible with available technology.

3.less important than technologies to reduce carbon dioxide pollution.

4.costly and experimental, but promising.

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.