I might be wrong, but I am pretty sure that the Mississippi River empties into the Gulf of Mexico. Hope I helped!!!
Answer: The averagecomposition is granite, which is much less dense than the mafic igneous rocks of the lithosphere.
Explanation: Because it is thick and has relatively low density, continental crust rises higher on the mantle than lithosphere which sinks into the mantle to form basins.
I am pretty sure it is A. Baghdad