Of the sunlight reaching the earth, how much is used to produce sugars in photosynthesis?
A) 5% B) 25% C) 15% D) 50%
A
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Sales tax is added at a rate of 7.2% to a set of four rims. Each rim has a retail price of $238.99. What is the total price, including tax?
A) $955.96 B) $256.20 C) $1,024.79 D) None of these
Turbidity is an important water quality parameter because
a. of esthetic reasons -consumers demand crystal clear water b. high turbidity makes filtration more difficult and expensive c. turbidity can interfere with the disinfection process d. all of the above e. none of the above
The rotor of an ECM motor is composed of:
A) Layers of laminated soft iron. B) Permanent magnets. C) A solid bronze casting. D) Copper windings coiled around layers of laminated soft iron.
If a low temperature evaporator is forming excess ice, which of the following could be a possible problem?
A. The evaporator fan motor is defective. B. The unit is not staying in defrost long enough. C. The defrost heater is defective. D. All of the above are correct.