An adjective clause must have what 2 things to be considered a clause? question 1 options: descriptive word and noun descriptive word and verb subject and verb subject and noun

A clause is a group of words that contain a subject and a verb; An adjective clause is a group of words that contain a subject and a verb and is used provide description. The answer is, therefore; subject and verb. 

The adjective clause has a "subject and a verb" with a relative pronoun

Explanation:

He, who is intelligent, is praised by all.

Here, ‘who is intelligent’ is an adjective clause.  

The word that describes the noun is called as an adjective. For example, He is an intelligent student, and hence, praised by all. Here, intelligent is an adjective.

To change it into an adjective clause, you will just have to introduce relative pronouns such as why, what, who, which and that.  

1, 4, and 5 are all conflicts

brazil   is on the caost