Question

Sulfur combines with atmospheric ______ to form sulfuric acid.

oxygen

water vapor

nitrogen

none of the above

Answer 1

I can tell you it's not nitrogen , but im leaning over to water vapor, in other terms known as hydrogen. 

Answer 2

The correct answer is the option: 2-water vapor.

Step-by-step explanation:

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Sulfur binds with water vapor and forms sulfuric acid. Combined with other compounds, they bind and precipitate, forming acid rain. This is a source of pollution.

We conclude that the correct answer is the option: 2-water vapor.