A group of generally pleasant or peaceful words meant to take the place of harsher, blunter statements is called: a slang term.

an idiom.

a euphemism.

an oxymoron.

a euphemism

Explanation:

hello,

answer: now it would take me a lifetime to do this problem for you but what i can do is guide you, first you will need to create your own sketch of the following items they have selected.

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.