Which instrument measures ocean depth by sending sound pulses to the seafloor?
Answer
Echo sounder
Which instrument measures ocean depth by sending sound pulses to the seafloor?
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Related trivia
- Easy Easy difficulty.
- Oceans
What is the largest island located in the Indian Ocean?
Answer
Madagascar
- Hard Hard difficulty.
- Oceans
What treaty banned nuclear weapon tests in the atmosphere, outer space, and underwater in 1963?
Answer
Partial Test Ban Treaty
- Hard Hard difficulty.
- Oceans
What 1960 expedition made the first crewed descent to the Challenger Deep?
Answer
Project Nekton
- Intermediate Intermediate difficulty.
- Oceans
Which North Pacific current flows northeastward past Japan?
Answer
Kuroshio Current
- Intermediate Intermediate difficulty.
- Oceans
What term describes the open ocean water column away from the coast and sea floor?
Answer
Pelagic zone
- Intermediate Intermediate difficulty.
- Oceans
What is the ocean zone between about 200 and 1,000 meters deep, also called the twilight zone?
Answer
Mesopelagic zone