Is the mantle sticky?

Is the mantle sticky?

The mantle is sticky, like peanut butter. c. The top and bottom layers of the mantle are the thickest parts.

How deep can you drill into the earth?

40,230ft

Is Blue Hole dangerous?

The Blue Hole itself is no more dangerous than any other Red Sea dive site but diving through the Arch, a submerged tunnel, which lies within the Blue Hole site, is an extreme dive that has resulted in many accidents and fatalities.

What causes a blue hole?

What Makes a Blue Hole? Most blue holes are formed from sinkholes or caves that develop slowly over time, as rock begins to erode and collapse. Many blue holes were formed during the last Ice Age, after sea levels rose and filled existing sinkholes with water.

How many blue holes are there?

Blue holes are sinkholes or underwater caves, typically circle-shaped, always with dramatically steep walls. And there are more blue holes on Andros than anywhere else on earth, with 175 of them inland and another 50 scattered around the shallow waters offshore.

What’s at bottom of Blue Hole?

As the crew started, they found the usual suspects: reef sharks, turtles, and giant corals. But as they pushed 90 meters, life started to vanish. Narrator: Past the conch graveyard and toward the bottom of the hole, around 120 meters deep, the team found something they did not expect: small stalactites.

Why is Bahamas water so blue?

The blue color of the ocean comes from the absorption of red and green light wavelengths by the water. The blue is reflected to be received by your eyes and the light blue is a response to sunlight reflecting off the powdery white sands and corals on the bottom.

Where are the most blue holes in the world?

the Bahamas

What is the largest blue hole in the world?

The deepest blue hole in the world at 300.89 meters (987 feet) deep is in the South China Sea and is named the Dragon Hole, or Longdong. The second deepest blue hole in the world with underwater entrance at 202 metres (663 ft) is Dean’s Blue Hole, located in a bay west of Clarence Town on Long Island, Bahamas.