A low-oxygen condition, called ____________________, results in major losses of aquatic life,

including fish.



Fill in the blank(s) with the appropriate word(s).


ANS: hypoxia

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For ease of removal when performing maintenance, sewage pumps should be connected to inlet and outlet piping with flanges or _____.

a. unions b. flexible couplings c. tees d. quick disconnects

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?Convert 5 inches to millimeters.

What will be an ideal response?

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What does the term ‘stray voltage’ describe?

What will be an ideal response?

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High salinity is more often a problem in arid parts of the country where natural levels of rainfall are

not sufficient to flush salts from soil.

Indicate whether the statement is true or false.

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