<span>"As each salty wall of water approached (it shut all else from the view of the men) in the boat, and it was not difficult to imagine that (this particular wave was the final outburst of the ocean) (the last effort of the grim water.)" this is the part that applies</span>
In the first box : dolphins and grey seals both sleep with half their brain so that the other half can watch for predators
second box : dolphins sleep and swim at the same time ( i think )
third box : ( im sorry but I'm not sure about this one)
i hope this helps a little :)
Friar is concerned that they might be moving too hastily.
He was being followed when "Suddenly" He heard a loud noise.
Why would she "Suddenly" Remember that phrase?
"Suddenly" he jumped to his feet.