Ralph,who is a student,also has a part-time job.

1)What is the independent clause in this sentence?
who is a student,also has a part-time job.

2)What kind of dependent clause is( who is a student) in this sentence? Is it a noun, adjective,or adverb clause?
Adjective clause

I hope is right and thank you.

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Can this be a COMPLETE SENTENCE??

Who is a student,also has a part-time job.

1) The independent clause in this sentence is "Ralph has a part-time job." It can express a complete thought on its own and does not depend on any other part of the sentence.

2) The clause "who is a student" is an adjective clause. It modifies the noun "Ralph" by giving additional information about him. In this case, it tells us that Ralph is a student. Adjective clauses typically start with a relative pronoun (in this case, "who") and function as adjectives by describing or limiting nouns or pronouns.