When we say that the population of the United States is "aging" in the sense that the average
age of Americans increases each year, this is an example of which type of force in the
environment?
a. Political
b. Economic
c. Legal
d. Demographic
e. Sociocultural
D
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Technician A says canister purging occurs only when conditions are right. Technician B says modern purge valves are computer controlled. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
____ glass provides clarity and visual transparency with a minimum of distortion.
A. Sheet B. Float C. General glazed D. Picture
In a WLF wall assembly, a cripple stud is used
A) at a wall T-junction. B) at a wall corner. C) at the ends of a wall opening. D) above a header or below rough sill. E) both A and B.
Air-cooled engines are found on lawnmowers, motorcycles, and some older automobiles.
Answer the following statement true (T) or false (F)