Glossary H

The Environmental Glossary. Letter H +++ Popular Articles: 'Heating Penalty', 'Human', 'Hazardous Waste'
Hydrocarbons are Substances containing only hydrogen and carbon. Fossil fuels are made up of Hydrocarbons.

A Hydrochlorofluorocarbons (HCFCs) is Compounds containing carbon, hydrogen, chlorine, and fluorine.

Hydroelectric is relating to electric Energy produced by moving water.

Hydroelectric Power is the result of the process of generating electricity by harnessing the power of moving water is called hydroelectricity.

A Hydroelectric power plant is Structure in which the energy of fading or flowing water spins a turbine generator to produce electricity.

A hydroelectric power water use is the use of water in the generation of electricity at plants where the turbine generators are driven by falling water.

hydrofluorocarbons are used as solvents and cleaners in the semiconductor industry, among others; experts say that they possess global warming potentials that are thousands of times greater than CO2.

Deutsch: Wasserstoff / Español: Hidrógeno / Português: Hidrogênio / Français: Hydrogène / Italiano: Idrogeno
Hydrogen is a chemical element with chemical symbol H and atomic number 1. With an atomic weight of 1.00794 u, hydrogen is the lightest element on the periodic table. Its monatomic form (H) is the most abundant chemical substance in the universe, constituting roughly 75% of all baryonic mass.

A Hydrogeologic Cycle is the endless circulation of water between earth and the atmosphere.

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