Which of the following treatment methods is used to kill bacteria and other harmful organisms?
a. diatomaceous earth filter
b. activated charcoal filter
c. ultraviolet radiation
d. neutralizing tank
ANSWER: c
Trades & Technology
You might also like to view...
?Which method is used to make thin-wall hollow products?
A. ?snap-back forming B. ?free forming C. ?mechanical forming D. ?twin sheet thermoforming
Trades & Technology
North and Central America, Europe, Australia, and New Zealand produce 68 percent of the world's beef and veal
Indicate whether the statement is true or false
Trades & Technology
You can use a Class A fire extinguisher on an electrical fire
Indicate whether the statement is true or false
Trades & Technology
What type of measurement is stated in square feet?
A) Angularity B) Area C) Length D) Volume
Trades & Technology