atmospheric chemistry

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The study of the chemical composition of the atmosphere, of aerosols, pollutants, and rainfall, and the various chemical reactions in which they are involved. It includes the processes of dissociation, ionization, and recombination, and the general group of reactions known as photochemistry. Certain chemical cycles are of particular importance, especially the carbon cycle, the hydrological cycle, and the nitrogen cycle.

Subjects: Meteorology and Climatology.

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