This material is used for coins and jewelry and is commonly hardened by adding copper.
a. gold
b. silver
c. platinum
d. titanium
a. gold
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We must ____ resources to make them last as long as possible
A) use B) preserve C) exploit D) manage
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Unless otherwise posted, the speed limit in a business district is:
a. 35 MPH b. 30 MPH c. 25 MPH
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The ignition transformer provide
A) 120 to 240 volts AC to the electrodes B) 8,000 to 15,000 volts DC to the electrodes C) 8,000 to 15,000 volts AC to the electrodes D) 120 to 240 volts DC to the electrodes
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Boyle's Law makes what assumption?
A. Gas is lighter than air. B. The temperature remains constant. C. Temperature always varies. D. Air is lighter than most gasses.
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