Exploring the Depths of the Ocean

The video explores the vast depths of the ocean, comparing it to the highest points on land. It highlights the ocean's immense living space and the various depths at which different marine life and human explorations occur. From the well-lit zones where blue whales hunt to the midnight zone inhabited by unique creatures, the video delves into the challenges and achievements of deep-sea exploration, including record-breaking dives and the discovery of new species. Despite these efforts, much of the ocean remains unexplored, holding countless mysteries beneath its surface.

What percentage of Earth's living space is found in the oceans?

• 100%

• 99%

• 75%

• 50%

At what depth do blue whales typically hunt?

• 330 feet

• 700 feet

• 1640 feet

• 2400 feet

Which submarine was the first to circumnavigate the Earth?

• USS Nautilus

• USS Seawolf

• USS Ohio

• USS Triton

What is the maximum depth a modern nuclear submarine can safely reach?

• 700 feet

• 3280 feet

• 1640 feet

• 2400 feet

At what depth does the midnight zone begin?

• 700 feet

• 2400 feet

• 3280 feet

• 7500 feet

What is the deepest recorded dive by a mammal?

• 35797 feet

• 20000 feet

• 12500 feet

• 9816 feet

Which zone is designated for the ocean's steepest trenches?

• Midnight Zone

• Hadal Zone

• Abyssal Zone

• Twilight Zone

Who holds the record for the deepest manned dive?

• Jack Picard and Don Walsh

• Jacques Cousteau

• James Cameron

• Sylvia Earle

What was the name of the submersible that collected over 350 species from Challenger Deep?

• Kaiko

• Alvin

• Trieste

• Nautile

What percentage of Earth's oceans have humans explored?

• 25-30%

• 5-10%

• 15-20%

• 1-2%