How long did John Adams serve as president???

How have a past president and our current president abused the powers granted to the president of the united states by the constitution and the people ?

Which of the following areas was not part of roman empire? a: syria c: bridges b: forums d: aqueducts h.e.l.p asap

The first time that unmanned underwater "gliders" were used by ocean scientists to respond to an oil spill was after the