Predation: In predation, one species kill and feeds on another species.
The correct answer is - False.
The mechanization in the agriculture contributed to less people being involved in it, and that is because with the mechanization much less human labor is needed since the mechanization is doing the work for multiple people and animals, with the same or better efficiency, and also quicker and cheaper.
Because they haven't got any experience of tsunami before. And they went to see the sea when it is go back!