Disinfection of Water Is Achieved by All of the Following

question 42

Multiple Choice

Disinfection of water is achieved by all of the following EXCEPT

• A) UV radiation.
• B) chlorine.
• C) peracetic acid.
• D) copper sulfate.
• E) ozone.

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Definitions:

Majority

The larger part or more than half of a total group, often referring to the group in power or with the most members in a demographic or decision-making context.

Minority

A subgroup within a population that is fewer in numbers than the majority and may be differentiated by characteristics such as race, religion, language, or sexual orientation.

Night Terrors

A sleep disorder causing feelings of terror or dread, usually occurring during non-REM sleep stages, and often accompanied by screaming, thrashing, and a high degree of difficulty in waking the sufferer.

Sleep Spindles

Bursts of brain activity visible on an EEG that occur during stage 2 of sleep, associated with memory consolidation and learning.