Suggest How Solar Energy Might Help Eliminate Pathogens in Drinking

question 25

Multiple Choice

Suggest how solar energy might help eliminate pathogens in drinking water.

• A)Exposure of the drinking water to the Sun's ultraviolet rays.
• B)Use the solar energy to distill the water.
• C)Pass the drinking water through the hot zone of a solar collector.
• D)all of the above

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Definitions:

Arousal

A state of increased physiological activity or alertness, involving the activation of the sympathetic nervous system.

States of Consciousness

The different levels of awareness and wakefulness individuals experience, including wakefulness, sleep, dreaming, and altered states such as meditation or hypnosis.

Slow-Wave Sleep

A term used for both stage 3 and stage 4 sleep; characterized by slow, rolling eye movements, low cortical arousal, and slowed heart rate and respiration.

Stage 1 Sleep

The initial phase of the sleep cycle, characterized by light sleep, easy wakefulness, and a decrease in bodily movement and heart rate.