In Order to Protect Aquifers from Pollution,the Bottoms of Waste

question 45

Multiple Choice

In order to protect aquifers from pollution,the bottoms of waste dumps should be lined with

• A)gravel.
• B)sand.
• C)clay.
• D)soil.
• E)compost

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Definitions:

Synaptic Transmission

The process by which one neuron communicates with another by passing chemical or electrical signals across a synapse.

Neurotransmitter Receptor

A protein molecule on a neuron's surface that reacts to a specific neurotransmitter, influencing neural communication.

Neurotransmitter

Chemical substances released at the end of a nerve fiber by the arrival of a nerve impulse, facilitating the transmission of impulses to another nerve fiber, a muscle fiber, or some other structure.

Plasma Membrane

The lipid bilayer that encloses the cytoplasm of a cell, regulating the movement of substances in and out of the cell.