The Environment of Early Earth May Have Contained All EXCEPT

question 59

Multiple Choice

The environment of early Earth may have contained all EXCEPT:

• A) ferrous iron
• B) methane
• C) ammonia
• D) oxygen
• E) hydrogen gas

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Definitions:

Common Resources

Goods that are non-excludable and rival in consumption, such as fisheries, forests, and the atmosphere, which are accessible to all but can be depleted by overuse.

Overuse

Refers to the excessive use of a resource to the point where it diminishes its availability or quality.

Common Resource

A resource like air or water that is not owned by anyone, cannot be easily excluded from use, and is available for use by more than one person or group.

Nonexcludable

A characteristic of a good or service that prevents individuals from being effectively excluded from its use or benefits.