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What is Acid Rain?

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

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Glossary

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

The branch of science dealing with the laws of motion of air or other gases.

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...