Most nonmetals form covalent or ionic bonds, depending on the element with which they react. carbon predominantly forms covalent bonds since it has 4 valence electrons and can form single, double or triple bonds with other elements. what element will form an ionic bond with carbon?

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