Hydrogen Sulfide

question 13

Multiple Choice

Hydrogen sulfide

• A) is produced when nitrate is used as terminal electron acceptor.
• B) is produced by Desulfovibrio.
• C) may react with iron to produce a deep red precipitate.
• D) has a strong citrus smell.
• E) All of the answer choices are correct.

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Definitions:

Urbanized Area

A geographic region characterized by high population density and vast human features in comparison to areas surrounding it, often including cities and towns.

Economic Integration

Refers to agreements between nations to reduce barriers to trade and invest more freely among each other.

Blended Family

A family formed by merging two previously separated units into a single household.

Single Household

A living arrangement where an individual lives alone in a separate dwelling, reflecting trends in personal space and independence.