Which of the following characteristics of irrigation water is most apt to stimulate the formation of a sodic soil?
A) high Ca2+ and Mg2+ content
B) low pH
C) high content of chlorides
D) high selenium content
E) high SAR values
E
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Which of these animals is NOT one of the normal intermediate hosts for the Echinococcus multilocularis species of tapeworm?
A) foxes B) mice C) coyotes D) cats
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The reproductive system in males produces sperm only in carefully controlled cycles
Indicate whether the statement is true or false
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The deflection of a cantilevered beam supporting the weight of an advertising sign is given by
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In the US Midwest, the most popular way of using evaporative cooling for comfort applications is which of the following?
A) Water-side economizer. B) Direct evaporative cooling. C) Indirect evaporative cooling.
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