<span> the ocean, beginning "Roll on, thou deep and dark blue ocean—roll!," Byron contrasts its permanence, power, and freedom with vanished civilizations: "Thy shores are empires, changed in all save thee—/ Assyria, Greece, Rome, Carthage, what are they?" The ocean remains, "Dark-heaving;—boundless, endless, and sublime—/ The image of Eternity...." </span>
I believe that the message the author is trying to convey in this excerpt is that humans need to take action to end further destruction of the natural environment, because if they don't, more and more species will disappear.
Because the tree started to get very old and they didn’t want the tree to rot
