THIS USER ASKED 👇
What record did the Nereus break in May 2009?
It became the first remote operated deep-sea robot.
It dove to a depth of 6.8 miles.
It explored an undersea mountain.
It took the first videos of deep sea organisms.
THIS IS THE BEST ANSWER 👇
The record that Nereus broke in May 2009 was b. It goes to a depth of 6.8 miles.