Answer: B) Non-defining Clause.
Explanation for this question is being written.
Answer: B) Non-Essential
Answer: B) Non Defining.
Answer: C) Which
Answer: B) Non-defining
Answer: C) Who is still on the plane.
Answer: B) When he was a baby.
Answer: B) Which
Answer: C) Non-defining relative clause.
Answer: C) 'a golden retriever' is the nonrestrictive element.
Answer: D) Which
Answer: A) Which, NDC.
Answer: B) Non-defining relative clause.
Answer: A) The car, which belongs to my father, is red.
Answer: B) Adjective Clause.
Answer: B) Non-Defining Relative Clause.
Answer: B) Who is a pro at the country club.
Answer: B) Non defining.
Answer: A) Which
Answer: B) , whose.
Answer: B) My friend, who lives in New York, is visiting.
Answer: B) Non-defining Relative Clause.
Answer: C) Who lives in Canada.
Answer: A) True
Answer: B) Which can easily turn into markets.
Answer: B) True
Answer: B) The concert-which was held in the park-was a huge success.
Answer: B) That I got for Christmas last year.
Answer: A) Which was really long.
Answer: B) Nonrestrictive
Answer: B) Which includes thirty-one paintings.
Answer: C) Non defining.
Answer: A) Both of whom.
Answer: A) They give extra information about a person or thing (not essential).
Answer: A) Which surprised everyone.
Answer: A) My sister, who lives in Da Nang, is a tour guide.