Water Moves Through Sand Beds and Activated Charcoal in This

question 9

Multiple Choice

Water moves through sand beds and activated charcoal in this step of water purification:

• A)chlorination
• B)aeration and settling
• C)sedimentation
• D)storage
• E)filtration

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Definitions:

Structures of Personality

Theoretical frameworks in psychology that describe the composition of an individual's personality, often involving concepts such as the id, ego, and superego.

Id

In psychoanalytic theory, it's the part of the mind in which innate instinctive impulses and primary processes are manifest.

Ego

A part of the mind that mediates between the conscious and the unconscious and is responsible for reality testing and a sense of personal identity.

Superego

Part of Freud's psychoanalytic theory of personality, acting as the moral component, which holds internalized ideals and standards for behavior.