suppose your surface body temperature averages 90^0 F. How much radiant energy in micrometer would be emitted from your body. Determine the wavelength of maximum energy emission of your body, using Wien's law.

The answer is 1-plate movement along fault lines

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.