What is the name of the world's largest ocean trench?
A
Mariana Trench
B
Puerto Rico Trench
C
Java Trench
D
Philippine Trench
Correct Answer: Option A — Mariana Trench
Explanation:
The Mariana Trench located in the western Pacific Ocean is the world's deepest oceanic trench reaching a maximum depth of approximately 11034 meters at the Challenger Deep. It is deeper than Mount Everest is tall. The trench was first explored by HMS Challenger in 1875 and later by submersibles.