<span>Tectonic plates move because they are floating on top of the liquid mantle. The mantle itself moves due to convection currents: hot rock rises, gives off some heat, then falls. This creates vast swirls of moving liquid rock under the crust of the earth, which jostles the plates of crust on top.
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Answer:75.71g≈75.7
Explanation:Mass = Density ⋅ Volume = 11.3 ⋅ 6.7 = 75.71g
Changes. :) I think... Whats your question
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Pt-200 is most likely to undergo beta-minus decay. Two four given isotopes of platinum are radioactive. Pt-192 is a stable isotope.
