Ultraviolet light is used to control _____.
a. ozone
b. bacteria
c. dust
d. radon
b. bacteria
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What can be done to prevent air from getting trapped in the cooling system when the coolant is replaced?
A) Pour the coolant into the radiator slowly. B) Use a coolant exchange machine that draws a vacuum on the system. C) Open the air bleeder valves while adding coolant. D) Either B or C
Meiosis is the process by which the number of cells in an animal's body increase, resulting in growth
Indicate whether the statement is true or false
Advantages of utilizing pet sitters include:
A. Pets are usually happiest in their home environment B. If boarded elsewhere, the animal may be housed near a disruptive barking or howling dog or hissing cat C. There is less risk of exposure to ectoparasites or infectious diseases D. All of the above E. None of the above
The National Safety Council recommends all the following do’s when using a ladder except: