Which are independent clauses?

An independent clause is a complete thought. It can stand alone as a sentence. A dependent clause is not a complete thought. A clause is a group of words that contains both a subject and a predicate.

answer; /// i do believe that the correct answer is (d) majority vote as an approval requirement;

disorders of the brain include both behavior disorders and other psychiatric illnesses. the primary difference between a behavior disorder and another type of psychiatric disorder is the presence of choice. psychiatric conditions are considered to be involuntary while in behavior disorders, choices are essential.