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(1) If something is moving, with nothing touching it, it will go on forever,coasting at a uniform speed in a straight line. SAN/fnM
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(2)The light we see,with its colors ranging from deep red to deep violet,serves us in our daily lives. K5:>
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(4)The article deals with microwaves,with particular attention being paid to radiolo cation. [E4#|w
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