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:

Goal Orientation Theory

The view that achievement motivation depends on which of four goal orientations (mastery/approach, mastery/avoidance, performance/avoidance, performance/approach) an individual adopts.

Mastery/Avoidance

Goals oriented towards gaining proficiency in a task versus goals aimed at avoiding incompetence or failure.

Physiological Need

A basic biological requirement for human survival, such as food, water, and sleep, which must be satisfied to maintain health.

Extracellular Thirst

Thirst caused by a reduction in the volume of fluids found outside of the body cells, often due to blood loss or dehydration.