Answer the following question about "the deadliest tsunami in history."
survivors of the tsunami recognized that a receding ocean
a. was a sign of danger
b. left pollution on shore
c. left boats and fish stranded on shore
d. signals a coming earthquake

The correct answer is - a. was a sign of danger.

Once the people saw that the ocean waters are receding and were living vast space without water behind them, they knew that something big and very dangerous will happen. And in fact it did. The water that was sucked in in the place were there was a crack on the ocean floor, got shot back under big pressure and it had very big speed, as well as having waves that were destroying anything on their way.

a person with a mass of 106kg has a weight of 1060n

truck y has a greater velocity than truck x.