Which Element Did Ancient Cities Require in Order to Function

question 6

Multiple Choice

Which element did ancient cities require in order to function?

• A)Many houses and streets
• B)High walls
• C)Major rivers
• D)Protective mountains

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Definitions:

Purkinje Fibers

Specialized fibers in the heart's ventricles that help coordinate the heart's contractions by conducting electrical impulses.

Repolarization

The process by which cells, especially heart and nerve cells, restore their membrane potential to a resting state after depolarization.

Electrocardiogram

A diagnostic test that measures the electrical activity of the heart to assess its health and functionality.

Electrodes

Conductive materials that allow the flow of electrical current into or out of a medium, used in various electronic devices and medical applications.