Which of the Following Correctly Describes an Electric Current

question 20

Multiple Choice

Which of the following correctly describes an electric current?
i.Spontaneous flow of protons in gold,silver,copper,or aluminum wires
ii.Exchange of protons between cations in a solution
iii.The movement of ions in a solution
iv.The movement of negatively charged electrons in a metal

• A)i only
• B)iv only
• C)i and ii
• D)iii and iv
• E)i, ii, and iv

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Definitions:

Same Environments

Situations or conditions in which individuals are exposed to identical or very similar external surroundings, often used in research to study genetic and environmental influences.

ADHD

Attention Deficit Hyperactivity Disorder, a neurodevelopmental disorder characterized by problems with focus, hyperactivity, and impulsiveness.

Stimulant

A substance that raises levels of physiological or nervous activity in the body, increases alertness, attention, and energy.

Methylphenidate

Methylphenidate is a stimulant medication commonly prescribed to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy, working by increasing attention and decreasing impulsiveness and hyperactivity.