How does air pollution cause acid rain?

Answer 1

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When the air is polluted, a mixture of hazardous gaseous compounds, such as sulfur dioxide and other oxides of nitrogen, are released into the atmosphere. These gases combine with other airborne gases and then condense with water (from bodies of water such as lakes, rivers, etc. that are initially evaporated) to form clouds. As a result, when it rains, the water that is released into the atmosphere is acidic, leading to acid rain.

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Answer 2

Isaac Ayoub

Air pollution, specifically the emission of sulfur dioxide (SO2) and nitrogen oxides (NOx) from burning fossil fuels, combines with water vapor in the atmosphere to form sulfuric acid (H2SO4) and nitric acid (HNO3), respectively. These acids then mix with precipitation, forming acid rain.

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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.