The Mariana trench is the deepest part of the oceans. Which one of the following statements regarding this is not correct?

The trench was first sounded during the challenger expedition in 1875

It is located in the Western Pacific Ocean, to the West of Mariana island

The trench is about 2550 km long an an average width of only 69 km

At the bottom of the trench the water column above exerts a pressure over 1000 times the standard atmospheric pressure at sea level

The Mariana trench is the deepest part of the oceans. Which one of the

1.	The Mariana trench is the deepest part of the oceans. Which one of the following statements regarding this is not correct?
A.	It is located in the Western Pacific Ocean, to the West of Mariana island
B.	The trench was first sounded during the challenger expedition in 1875
C.	The trench is about 2550 km long an an average width of only 69 km
D.	At the bottom of the trench the water column above exerts a pressure over 1000 times the standard atmospheric pressure at sea level
Answer» B. The trench was first sounded during the challenger expedition in 1875