The Hellenistic thinker who proposed a heliocentric theory of the relationship of the earth and planets was
a. Eratosthenes of Cyrene.
b. Euclid.
c. Aristarchus of Samos.
d. Archimedes of Syracuse.
c. Aristarchus of Samos.
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There are ___ vitamins that are essential in animal nutrition
a. 9 c. 19 b. 16 d. 22
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Shown below are two beams both made from a standard 2 x 8. If each beam is supported at both ends, and if you were to stand in the middle of the beam, which beam would deflect more in the center? Why?
Figure
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Which of the following is not a precaution when running a vehicle in the shop?
A. block the wheels B. stand in front of the vehicle C. connect an exhaust hose D. set the parking brake
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State 200 kilovolts as megavolts.
Fill in the blank(s) with the appropriate word(s).
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