Below you can find the They are estimated to add more than 1000 tons to the earth's weight each day Jeopardy Words Answer. The answer to They are estimated to add more than 1000 tons to the earth's weight each day has 7 letters. This clue belongs to the Astronomy category and is part of Jeopardy Word Level 578. If you scroll near the bottom you will find other clues and answers part of level 578