The string of words: "When we look at severe concussions" is which of the following grammatical structures? *
O an adverbial clause
O an independent clause
O a participial phrase
O a noun clause

an independent clause

Explanation:

An independent clause can be defined as a clause that expresses a complete thought while standing alone as a simple sentence and comprises of at least a subject and a verb (predicate)

Hence, the characteristics of an independent clause are;

I. It contains a subject and a verb.

II. It is used to express a complete thought.

III. It can stand alone as a complete sentence.

Therefore, the string of words: "When we look at severe concussions" is an independent clause.

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."

yo it cool and all : )

explanation: