10 Interesting Facts About Earth's Oceans

10 Interesting Facts About Earth's Oceans

10 Interesting Facts About Earth's Oceans 1.

The deepest part of the ocean is called Challenger Deep, and it is within the Mariana Trench.

It is said to have a depth of around 36,000 feet.

2.

The Denmark Strait cataract, Earth's highest underwater waterfall, can be found in the Atlantic Ocean and has an 11,500-ft drop.

3.

Point Nemo in the Pacific Ocean is farthest from any land on Earth.

4.

Over $60 billion in sunken treasure is said to still be in oceans around the world.

5.

There are literal "dead zones" that cannot sustain any sea life.

6.

70 percent of the oxygen we breathe comes from marine plants in the oceans.

7.

The sea has a blue tint because of orange and red wavelengths from the sun.

8.

Oceanographers have used rubber ducks to get a better understanding of water currents.

9.

The ocean's floor contains cables from communications companies that allow the internet to travel across the globe.

10.

Around 80 percent of volcanic eruptions occur under water.