Most likely, so that you sound proffesional
The italicized noun clause is "what i like best about the farm."
Answer: B) Subject complement.
Explanation: A noun clause is a dependent clause that acts as a noun. Noun clauses begin with words such as how, that, what, whatever, etc. Noun clauses can act as subjects, subject complements, direct objects, indirect objects, predicate nominatives, or objects of a preposition. In the given sentence the noun clause is used as a subject complement because it is placed after a linking verb (to be) and it characterizes (or gives further information) about the subject (The fresh air).
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<em><u>1)"the regard that something is held to deserve; the importance, worth, or usefulness of something."</u></em>
<em><u>2)"a person's principles or standards of behavior; one's judgment of what is important in life."</u></em>
<em>BASED ON THIS DEFINITION I CAN DETERMINE THAT</em> YOUR ANSWER IS A THE MEASURES USED TO DETERMINE HOW GOOD A PERSON IS.