A "phaser" blast form the starship "ENTERPRISE" sends out a light burst with a wavelength of 636 nanometers.
(nm=1.0x10-9m) What is the frequency of the light beam?

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels.the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause,directly and indirectly, for such a rise in sea level is