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What is the primary source of hydrogen sulfide(H_{2}S) emissions in the environment?

Option: 1

Vehicle exhaust


Option: 2

Volcanic eruptions


Option: 3

Industrial processes


Option: 4

Natural decomposition of organic matter


Answers (1)

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The primary source of hydrogen sulfide (H_{2}S)emissions in the environment is the natural decomposition of organic matter, such as in swamps and marshes.

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