Which of the following are true of the Pacific Ocean?
I. It is the largest of all water bodies
II. It is roughly triangular in shape
III. The average depth is about 7300 m
IV. Nearly 20,000 islands dot this vast ocean
A. I, II and III
B. I and III
C. II and III
D. I, II, III and IV
Answer: Option D

It's circular in shape