What is IMPROVEMENT? A valuable addition made to property (usually real estate) or an amelioration in its condition, amounting to more than mere repairs or replacement of waste, costing labor or capital, and intended to enhance its value and utility or to adapt it for new or further purposes. Spencer v. Tobey, 22 Barb. (N.
(4) WEATHER MODIFICATION-The term `weather modification' means changing or controlling, or attempting to change or control, by artificial methods the natural development of atmospheric cloud forms or precipitation forms which occur in the troposphere. SEC.
Weathering Weathering is the process by which rock materials are broken down by the action of physical or chemical processes. Mechanical weathering is the breakdown of rock into smaller pieces by physical means. (ice, wind, water, gravity, plants, animals) Chemical weathering is the process by which rocks break down as a result of chemical reactions. Water, weak acids, and air can cause chemical weathering.