In television sets and oscilloscopes, ____ waveforms are used to sweep the electron beam across the screen, creating the image.
A. sine
B. square
C. triangular
D. sawtooth
Answer: D
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Find the total area of this template. Carry the answer to one decimal place.
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When fuel cell technology is used to power a city bus, which type is used?
A. Phosphoric acid B. Proton exchange membrane C. Solid oxide D. Alkaline
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In 1974, which group led a revolution in Portugal that began the transition to democracy?
a. factory workers and trade unionists b. opposition politicians c. the military d. university students
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What is the difference in height between the lowest and highest corner?
What will be an ideal response?
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