7 Things We Don't Know About the Ocean

The video explores the mysteries of the ocean, covering topics like the unexplored ocean floor, life beneath it, unique underwater features like brine pools, and phenomena such as milky seas. It also delves into the mystery of the 52 Hertz whale and unexplained ocean sounds. The video highlights the vast unknowns of the ocean and the potential for future discoveries as technology advances.

What percentage of the ocean floor remains unexplored by humans?

• 100%

• 95%

• 70%

• 50%

What did scientists discover beneath the sea floor off the coast of Japan?

• Ancient fossils

• Oil reserves

• Living microbes

• Precious metals

What are brine pools?

• Regions with abundant coral reefs

• Areas with high volcanic activity

• Pockets of seawater with different composition

• Freshwater lakes on the ocean floor

What phenomenon causes the ocean surface to glow a whitish blue?

• Bioluminescent algae

• Milky seas

• Phosphorescent plankton

• Reflective minerals

What is unique about the 52 Hertz whale?

• It sings at a higher frequency than other whales

• It is known for its bright coloration

• It migrates in large groups

• It is the largest whale species

What is the 'up sweep' sound associated with?

• Ship engines

• Whale communication

• Underwater mining

• Volcanic and seismic activity

What is deep-sea gigantism?

• The phenomenon of small sea creatures

• The unusually large size of some deep-sea animals

• The rapid growth of coral reefs

• The expansion of ocean currents