Which of the Following Statements Best Describes What Is Happening

question 14

Multiple Choice

Which of the following statements best describes what is happening in a water softening unit?

• A)The hard ions in water are exchanged for ions that do not interact as strongly with soaps.
• B)The hard ions are all trapped in the softener,which filets out all the ions.
• C)The ions in the water softener are softened by chemically bonding with sodium.
• D)The sodium is removed from the water,making the water interact less with the soap molecules.
• E)none of the above

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Definitions:

Retrograde Amnesia

A condition in which a person loses memories of events that occurred before a traumatic event.

Anterograde Amnesia

A condition in which the ability to form new memories following the onset of amnesia is impaired or lost, while long-term memories from before the amnesia remain accessible.

Head Injury

Physical trauma to the head leading to brain damage, which can affect a person's cognitive functions, physical abilities, or emotional behavior.

Hippocampal Region

A complex brain structure embedded deep into temporal lobe, playing a major role in learning and memory.