Answer: what are the options
Explanation:
Erosion is when it rains and the rain wears down rocks making it bumpy, smaller, and deformed. With the floor incorporating rock the rain would make the earth deformed causing damage with the ground changing which can cause earthquakes and such. I hoped this helped you understand a little
An allusion is a reference made to hint at something without saying it directly.
this can include a person, place or event and like many allusions its up to the reader to understand it and make the connection.
example: Jeez sally sure is a grinch around the holidays.
this is refrencing the grinch who was unhappy all the times especially at Christmas .
The highlighted phrase says "through their own spectacles", which means that the answer must be the third option as it is the only one including the whale's point of view.
I hope this helps!