Except for cases involving the president of the united states the supreme court has the final to say all of the cases it hears true or false ?

The Supreme Court has final say over non-Presidential matters, but a amendment that changes the Constitution would be grounds to reevaluate the ruling.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.

this forms a narrow, steep sided inlet (sometimes deeper than 1300 metres) connected to the sea. the terminal moraine pushed down the valley by the glacier is left underwater at the fjord’s entrance, causing the water at the neck of the fjord to be shallower than the main body of the fjord behind it.