Gold alloys are
much harder than pure gold
do not last as long as pure gold
...
Answers: 3
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A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm
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Ways that industry and agriculture use physical properties to separate substances
Answers: 1
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