Please help me with 1,2,3,4 please I really need help

b. failure at least that one seems the most negative out of all of the answers provided pls correct me if i'm wrong. : ))

- "a nonrestrictive clause functions as a modifier to a noun (that is an object, person or concept). these clauses can be described by the following three options: it is set off by comas, it contains a subject and a verbs and it adds nonessential information to the sentence.

for example, in "here is bill gates, who confounded microsoft software company" we can identify "who confounded microsoft software company" as a nonrestrictive clause modifying the noun bill gates. this clause can be describes as a nonrestrictive clause because it is separated by a comma, it adds nonessential information to identify who bill gates is and it must contain both a subject (who) and a verb (confounded)."

the author motivation is to show the power of animal-human relationships.

the krebs cycle and electron transport occur in the mitochondria, though other than that i would need to know more information.