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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

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

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.