Lluvia ácida

Rainwater is naturally slightly acidic due to carbon dioxide forming weak carbonic acid. Acid rain, however, is more acidic because of pollutants like sulfur and nitrogen oxides. This increased acidity can harm plants, animals, and erode buildings and rocks.

What causes rainwater to be slightly acidic?

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What is the role of carbon dioxide in the formation of weak carbonic acid in rainwater?

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How does acid rain differ from regular rainwater in terms of acidity?

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What pollutants contribute to the increased acidity of acid rain?

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In what ways can acid rain be harmful to the environment?

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