Answer:
Adjective
Step-by-step explanation:
You were given an example of a complex sentence - a sentence that consists of an independent clause and a dependent clause. The dependent clause is:
- ... which was warm even for summer...
This is a relative clause. Relative clauses always begin with relative pronouns, such as who, whom, whose, that, and which. These pronouns can be used instead of a noun, noun phrase, or pronoun.
Relative clauses are also often referred to as adjective clauses because they function as adjectives - they give more information about (modify) a noun, noun phrase, or pronoun. Here, the relative clause modifies the noun phrase a temperature of 95 degrees.
This is why the correct answer is adjective.