A ____ wave consists of the fundamental frequency with an infinite number of odd harmonics that cross the zero reference line in phase with the fundamental.
A. sawtooth
B. sine
C. square
D. rectangular
Answer: C
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The terms welding cables or welding leads are used to mean the same thing.
Answer the following statement true (T) or false (F)
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Which of these is NOT an animal that was domesticated in present-day China during Neolithic times?
a. cattle c. pigs b. chickens d. geese
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What is a purlin?
What will be an ideal response?
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Which of the following is an organ within the lymphatic system?
A. bone marrow B. lymph nodes C. thymus D. all answers are correct
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