The removal of objects and unwanted structures in the construction area is done during _____.
a. clearing and grubbing
b. boring
c. clearing and trenching
d. ripping
a. clearing and grubbing
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What type of speaker cone is typically less than 2” in diameter and more often resemble a flat diaphragm rather than a cone?
A. Woofer B. Mid-range C. Horn D. Tweeter
A steam boiler's blowdown separator helps reduce corrosion and scaling downstream and also _____.
a. retards the growth of fungus in the cooling tower b. reduces the temperature of the water being discharged c. adjusts the amount of bleed-off for the cooling tower d. purges gases entrained in the makeup water
The more light is available, the greater the variety of plants that may be grown
Indicate whether the statement is true or false
Ozone is an oxygen molecule formed with:
A) Three oxygen atoms instead of the normal two. B) Freon to produce a new compound. C) Two oxygen atoms instead of the normal three. D) Chlorine to produce a new compound.