The most tightly bound nucleus with a small number of constituents is 4 he, a bound state of two protons and two neutrons. the mass of 4 he is about 3731.4 mev c 2 , the proton mass is 938.2 mev c 2 and the neutron mass is 939.5 mev c 2 . what is the binding energy of the nucleus?

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