11. Irrigation, especially in dry areas, leaves salt deposits behind that make crop land increasingly less productive. 12. Patrons without a jacket could leave a deposit and be given a temporary one. 13. Some water leaves deposits, which may be removed by using vinegar on a cloth. 14. The mother of most salt, rock salt is mined underground where evaporated seas left salt deposits. 15. The streams left deposits of mudstone, shale and sand. 16. This is the form of cholesterol that is thought to leave deposits, causing narrowing of the arteries. 17. Brooks and others estimated that many cigarette butts would never be redeemed, leaving the deposits to the state. 18. Scientists warn the volcano may leave lethal deposits of gas, rock and ash in the evacuated area, which includes the capital. |