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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

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

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

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

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

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

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

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...