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1. When seismic waves passes through the mantle, waves decrease down. This means that ______. A. mantle is solidB. mantle is liquidC. mantle is semi-liquidD. mantle is hard2. Which of the following is/are true about tsunamis?A. it is related to tidesB. it is due to the upward movement of rock at the seafloorC. it is a giant tidal waveD. it is due to the upward movemebt of rock on land |
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Answer» 1. (C) mantel is SEMI LIQUID2.(D) OPTION D is false , A,B,C are true |
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