How does acid precipitation form?

Answer 1

Acid precipitation is often caused by the release of sulfur dioxide and nitrogen oxides into the atmosphere where they combine with atmospheric gases and water to create more acidic compounds. These chemicals are released during the combustion of fossil fuels from places like power plants, factories, etc. Acid rain can also be caused by natural phenomena, like volcanoes, but is more commonly caused by humans burning fossil fuels.

These chemicals make the rain or other precipitation more acidic, which has a range of negative effects. The higher acidity damages freshwater sources like streams, rivers, and lakes, by causing a greater absorption of aluminum, making the water more toxic to many species. This hurts those species and many others that depend on them.

Acid rain also damages forests, pulling nutrients out of the soil and making it more challenging for the plants to take up water. This weakens the plants and can have effects throughout the ecosystem.

Here's an image that shows a bit of the process:

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Answer 2

Acid precipitation forms when sulfur dioxide (SO2) and nitrogen oxides (NOx) emitted from human activities, such as burning fossil fuels, react with water vapor and other atmospheric components to form sulfuric acid (H2SO4) and nitric acid (HNO3). These acids then combine with rain, snow, or fog, resulting in precipitation with lower pH levels than normal, thus becoming acid precipitation.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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