Below you can find the On an average day the mississippi dumps over 1 million metric tons of this into the gulf of mexico Jeopardy Words Answer. The answer to On an average day the mississippi dumps over 1 million metric tons of this into the gulf of mexico has 8 letters. This clue belongs to the All about rivers category and is part of Jeopardy Word Level 706. If you scroll near the bottom you will find other clues and answers part of level 706