What is the most active, long term, deep diving, manned submersible used for studying the seafloor and deep ocean depths?
A) Alvin
B) Simon
C) Nautilus
D) Theodore

Name: What is the most active, long term, deep diving, manned submersible used for studying the seafloor and deep ocean depths? A) Alvin B) Simon C) Nautilus D) Theodore
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Question

Quizplus · Accepted Answer

Alvin is the most active, long-term, deep-diving, manned submersible that has been used extensively for oceanographic research and seafloor studies.

What Is the Most Active, Long Term, Deep Diving, Manned