What Was not One of the Gases That Made Up

question 124

Multiple Choice

What was not one of the gases that made up Earth's original atmosphere?

• A) nitrogen
• B) oxygen
• C) water vapor
• D) carbon dioxide

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Definitions:

Oxygen-demanding Waste

Organic waste material that reduces oxygen levels in water bodies as microorganisms consume oxygen to decompose this waste.

Organic Chemicals

Compounds containing carbon that are found in or produced by living systems.

Thermal Water Pollution

Pollution caused by discharging hot water or industrial effluents into rivers or seas, affecting aquatic life and ecosystems.

Cooling Towers

Structures that remove heat from water or other liquids through the process of evaporation, often used in power plants and industrial facilities.