When Contaminating/polluting Substances Originate from Many Diffuse Sources and Enter

question 14

Multiple Choice

When contaminating/polluting substances originate from many diffuse sources and enter a body of water indirectly, it is called _______ pollution.

• A) nonpoint source
• B) intrusion
• C) dilution
• D) water treatment
• E) point source

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Definitions:

Sending Neuron

The neuron that transmits a nerve impulse across a synapse to a receiving neuron by releasing neurotransmitters.

Receiving Neuron

A neuron that receives signals from other neurons at a synapse.

Refractory Period

The period of time during which an organ or cell is incapable of repeating a particular action, or the amount of time it takes to return to its original state.

Action Potential

A rapid, temporary change in a cell's membrane potential, crucial for the conduction of nerve impulses along neurons.