National Effluent (Pollution) Standards Are Set by the Environmental Protection

question 40

True/False

National effluent (pollution) standards are set by the Environmental Protection Agency for each industry.

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Definitions:

Millivolts

A unit of electric potential equal to one thousandth of a volt.

Relative Refractory Period

A phase following immediate action where a neuron is less responsive to stimulation and requires a stronger than normal impulse to activate.

Sodium

A chemical element (Na) that is a highly reactive metal and an essential nutrient for human health, particularly in nerve function and fluid balance.

Action Potentials

Short-lasting events in which the electrical membrane potential of a cell rapidly rises and falls.