this is a science question

How might geologists in China and Australia help geologists in Japan determine where an earthquake has occurred?


a By using seismic data from several locations, scientists can determine the epicenter of an earthquake.


b Chinese and Australian scientists can go to Japan to help them analyze their seismic data.


c Chinese and Australian scientists can study the damage caused in their own countries.


d These scientists can determine the earthquake's location by the shaking they feel at their locations.

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