What day did the war start in El Salvador?
November 11, 1989
November 13, 1985
November 15, 1992
November 17, 1998

None of those are correct. it is supposed to be October 15, 1979.

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.