Examlex
Activities such as fidgeting and maintaining posture use energy; this process is called
Optimal Level
The most efficient, effective, or desirable point or degree for a specific outcome.
Pollution
The contamination of natural environments by harmful substances or activities.
Environment Clean-up
The process of removing pollutants or contaminants from environmental media such as soil, groundwater, sediment, or surface water for the general protection and enhancement of the environment.
Negative Externality
A situation where the production or consumption of a good or service results in a harmful effect on unrelated third parties.
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