Geodesic means something like geometry
Autocrat means an absolute ruler
Credo means any form of belief.
Explanation: The root "cred" means "to believe." The word credo means "an official statement of beliefs." The other options do not contain the root "cred" and do not mean "an official announcement."
Root word cred means "to believe"
the author motivation is to show the power of animal-human relationships.
i believe the answer is: b. mr. head had a long, tube-like face with a rounded open jaw and a short depressed nose.
this is because in the un-revised sentence it said that mr. heads face was long and tube-like, and he had a rounded open jaw. this is not a very grammatically correct because of how it seems to drag on with the and, replaced with, with, makes it sound more fluent in the description.