What body of water does the mississippi empty into from the lowland know as the coastal plain? what major rivers are also tributaries of the mississippi?

The body of water where the Mississippi empty into from the lowland know as the coastal plain would be the Gulf of Mexico. Two main river tributaries of the Mississippi are the Missouri and Ohio Rivers. Hope this answers the question. Have a nice day.

Cause of he different elevations  hope this ?

Unique question.well, using science, you cannot create or destroy even if you do eat yourself so you would not grow twice as big, nor would you disappear. you would stay the same but change states potentially, or at least change your appearance (obviously).hope this . keep up these unique questions.