Which subatomic particle has a negative charge?
a. Proton
b. Neutron
c. Electron
d. Ion
c. Electron
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The United States' most successful diplomat in the Era of Good Feelings was
A. Henry Clay B. Daniel Webster. C. John Quincy Adams. D. Andrew Jackson. E. James Monroe.
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A fixed-plate air-to-air heat exchanger used in an ERV unit _____.
a. pre-cools ventilation air in the winter b. transfers sensible heat only c. pre-cools ventilation air in the summer d. transfers latent heat only
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What is the main feed of dairy cattle?
a. Fescue hay c. Grains b. Silage d. Whole corn
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Which of the following bacteria are shaped like spirals or corkscrews and are very motile?
A. Spirilla B. Cocci C. Bacillus D. No answers
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