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How do refracting telescopes magnify a far away image? a. by directing light beams to meet at a focal point b. by absorbing light beamsโ wavelengths c. by forcing light beams to change direction d. by measuring light beamsโ velocity
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What is the meaning of the prefix un-? a. over b. above c. under d. not
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How to study when you canโt get away from people and have a headache?
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1. when using wooden pallets to store batteries, place the pallets on sand or gravel. a) true b) fal...
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