Which characteristic of tsunamis is true? They are measured by how far they travel.

They cause the ocean to briefly drain away from the shore.

They can travel as fast as 500 miles per day.

They occur a day or two after an earthquake.

Ithink the answer to that would be b):

It is useful for historians to write narratives so that history can be passed on from their point of view.  think about a story being told in third person, then think about it again being told in first person, by someone who actually experienced the event.