Water

Water

Water is a chemical compound with the chemical formula H20. A water molecule contains one hydrogen atom and two oxygen atoms. Water is a liquid at standard ambient temperature and pressure though it can be a solid (ice)in low temperatures or evaporate into water vapor a higher temperatures.

Industry: Natural environment

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Water

ecosystem structure

Natural environment; Water

Attributes related to the instantaneous physical state of an ecosystem; examples include species population density, species richness or evenness, and standing crop biomass.

degree-day

Natural environment; Water

A rough measure used to estimate the amount of heating required in a given area; is defined as the difference between the mean daily temperature and 65 degrees Fahrenheit. Degree-days are also ...

delegated state

Natural environment; Water

A state (or other governmental entity such as a tribal government) that has received authority to administer an environmental regulatory program in lieu of a federal counterpart. As used in ...

delist

Natural environment; Water

Use of the petition process to have a facility's toxic designation rescinded.

demand-side waste management

Natural environment; Water

Prices whereby consumers use purchasing decisions to communicate to product manufacturers that they prefer environmentally sound products packaged with the least amount of waste, made from recycled ...

demineralization

Natural environment; Water

A treatment process that removes dissolved minerals from water.

depressurization

Natural environment; Water

A condition that occurs when the air pressure inside a structure is lower that the air pressure outdoors. Depressurization can occur when household appliances such as fireplaces or furnaces, that ...