Answer: B) Compound sentence.
Explanation for this question is being written.
Answer: B) Compound
Answer: A) Comma and a conjunction.
Answer: C) The storm knocked out the power, so we had to use candles.
Answer: A) Compound
Answer: B) (,) (.).
Answer: B) Compound #1.
Answer: C) Others are hard.
Answer: B) I studied for my math test, and I got a good grade.
Answer: B) She'll learn to play the piano, or she'll learn to play the trumpet.
Answer: A) Compound sentence.
Answer: D) Compound sentence.
Answer: A) True
Answer: B) It has two independent clauses joined by a coordinating conjunction.
Answer: C) Compound sentence.
Answer: A) Cell phones are popular, but they can cause problems.
Answer: B) False
Answer: A) I; I.
Answer: C) But we didn't have a picnic lunch there.
Answer: B) Butter or margarine in a sentence sandwich.
Answer: C) Mary;Suzie
Answer: A) Comma, FANBOYS.
Answer: A) Yes
Answer: B) Chris rode his bicycle up the hill, but it wasn't easy.
Answer: B) Compound Sentence.
Answer: B) She went to see a doctor.
Answer: B) Their own subject and verb.
Answer: B) COMPOUND
Answer: C) Dr. Jekyll loves cats, but Mr. Hyde loves dogs.