Which one of the following choices is an effective way to prevent low-back pain? question 9 options: maintain correct posture. lift objects by putting weight on your upper back. limit the amount of exercise you do per week. eliminate warm-up before exercise.

- "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)."

um, what am i suppose to answer here? it just said that he will studied hared because of a grade in spanish.

i would need the dialogue to answer this.