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3 years ago

14

Earthquakes typically occur

1 answer:

ICE Princess25 [194]3 years ago

3 0

Answer:

<h3><u><em>Earthquakes are usually caused when rock underground suddenly breaks along a fault. This sudden release of energy causes the seismic waves that make the ground shake. When two blocks of rock or two plates are rubbing against each other, they stick a little. ... When the rocks break, the earthquake occurs.</em></u></h3>

Explanation:

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Answer:

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Explanation:

$v_r$ = Speed of river

$v_c$ = Speed of canoe

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Adding the equations we get

$2v_r=0.9\\\Rightarrow v_r=\frac{0.9}{2}\\\Rightarrow v_r=0.45\ m/s$

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Answer:

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Explanation:

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