8
QuizMultiple Choice

Ocean Exploration — Unit test

Question 8 • * FL-2001340-Environmental Science Sem 2

What record did the Nereus break in May 2009?

Answer
A
It became the first remote operated deep-sea robot.
B
It dove to a depth of 6.8 miles.
C
It explored an undersea mountain.
D
It took the first videos of deep sea organisms.

Explanation

In May 2009, the Nereus descended about 6.8 miles (nearly 11 kilometers) into the Mariana Trench, reaching the Challenger Deep. That set a depth record for a vehicle of its kind, so the correct choice is “It dove to a depth of 6.8 miles.”

AI-written and checked against the verified answer.

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