Steel is made by alloying small amounts of carbon and other elements with ____.
A. titanium
B. platinum
C. iron
D. aluminum
Answer: C
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The plant hormone ________ appears to participate in dormancy release by reducing the seed's sensitivity to abscisic acid.
Fill in the blank(s) with the appropriate word(s).
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____ is the earliest ancestor of the present-day horse.
A. Mesohippus B. Eohippus C. Pliohippus D. Merychippus
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The freezing point of water is ________________ on the Celsius scale
A) 100 degrees B) 0 degrees C) 32 degrees D) 212 degrees
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Figure 10-2 In Figure 10-2, TIC401 is ____.
A. field mounted B. board mounted C. mounted behind the panel
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