Which of the following is true about tectonic plates? a)Tectonic plates are said pieces of the Earth's crust that cannot move or shift. b)Tectonic plates sometimes cause earthquakes,but they cannot cause tsunamis.
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Explanation: Tectonic plates are pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere. The plates are around 100 km (62 mi) thick and consist of two principal types of material: oceanic crust (also called sima from silicon and magnesium) and continental crust (sial from silicon and aluminium).
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Answer:
(a) false and (b) true
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