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acid rain click to hear : acid rain

Rain that contains abnormally high concentrations of sulfuric acid and nitric acid.
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sulfuric acid emission sulfur dioxide emission fossil fuel watercourse soil water table lake acidification leaching acid snow wind acid rain atmosphere nitrogen oxide emission cloudwater nitric acid emission

sulfuric acid emission click to hear : sulfuric acid emission

Sulfuric acid forms when sulfur dioxide combines with cloudwater.

sulfur dioxide emission click to hear : sulfur dioxide emission

Sulfur dioxide is produced mainly by coal-fired thermal power plants and smelters that refine ores with high sulfur content.

fossil fuel click to hear : fossil fuel

The use of fossil fuels by motor vehicles and industry triggers emissions of sulfur dioxide and nitrogen oxides.

watercourse click to hear : watercourse

Natural flow of water that varies in volume, depending on the ground slope and the number of tributaries.

soil click to hear : soil

Surface layer of the Earth’s crust; it results from the alteration of bedrock and the decomposition of organic matter.

water table click to hear : water table

Vast expanse of underground water fed by rainwater filtering through the earth; it supplies springs and can be collected in wells.

lake acidification click to hear : lake acidification

It causes plankton depletion and creates an imbalance in the food chain, sometimes leading to the total disappearance of plant and animal life.

leaching click to hear : leaching

Acid rain robs the soil of nutrients that are indispensable to plant life, such as magnesium, calcium and potassium.

acid snow click to hear : acid snow

Acid rain can take the form of snowflakes and fog.

wind click to hear : wind

Polluted clouds are carried by the wind, sometimes traveling thousands of kilometers; their pollutants then fall in the form of acid rain.

acid rain click to hear : acid rain

Rain that contains abnormally high concentrations of sulfuric acid and nitric acid.

atmosphere click to hear : atmosphere

Layer of air that surrounds the Earth and is composed mainly of nitrogen (78%) and oxygen (21%); only its lower portion is part of the biosphere.

nitrogen oxide emission click to hear : nitrogen oxide emission

Nitrogen oxide is discharged by motor vehicles and thermal power plants that burn fossil fuels.

cloudwater click to hear : cloudwater

Nitric acid and sulfuric acid dissolve in cloudwater.

nitric acid emission click to hear : nitric acid emission

Nitric acid forms when nitrogen oxides combine with cloudwater.