A hydrogen atom has:
a. one proton and no neutrons c. two protons and one neutron
b. one neutron and no protons d. one proton and one neutron
D
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A decrease in the value of the dollar relative to foreign currencies is likely to cause the level of farm imports to ________ and the level of exports to ________.
Fill in the blank(s) with the appropriate word(s).
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-5 × (-4 ) × 3 =
A) -6 B) 60 C) -60 D) None of these
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Reformulated gasoline contains at least ________ percent oxygen by weight
A) 2 B) Zero C) 10 D) 1
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What type of piston is best at overcoming engine slap?
A. Mexican hat crowned pistons. B. Aluminum pistons C. Forged steel trunk type pistons. D. Cam ground pistons.
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