Acid rain

Could you explain exactly what it is, what causes it, and its effects?

Acid rain is precipitation that is formed when nitrous oxides (NOx) and sulfur oxides (SOx) mix with water in the air to form a precipitation (rain, snow, sleet, fog) with a lowered pH. A lot of times it is found in places with coal-burning power plants, as they emit a lot of these pollutants. Acid rain can affect the pH of soil, and many plants have a specific pH range that thrive in, so a lower pH soil may not be able to sustain these plants. Acid rain can also runoff into water sources, increasing the pH of things like lakes and rivers, which can kill fish and other aquatic organisms. It can also slightly break down and erode man-made structures.

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