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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

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...