Which of the following is the deepest ocean trench in the world?
A. Mariana Trench
B. Tonga Trench
C. Kermadec Trench
D. Puerto Rico Trench
Answer:A
Which of the following is the deepest ocean trench in the world?
A. Mariana Trench B. Tonga Trench C. Kermadec Trench D. Puerto Rico Trench