1. The shaking of the earth's crust is called a, earthquake
b. tsunami
c. erosion
d. landslide​

Asap that time of year thou mayst in me behold when yellow leaves, or none, or few do hang upon those boughs which shake against the cold, bare ruined choirs, where late the sweet birds sang. in this excerpt, what is the best meaning for the word "late"? not on time until recently dead well into the evening

Crusoes inner struggle with the consequences

John asks mond why they have to have whole groups of identical deltas. why not make everyone an alpha plus like bernard and helmholtz? are you satisfied with mond’s answer?