Ocean
Everest would drown in this trench
The Mariana Trench drops nearly 11 km. Sink Everest into it and there would still be over two kilometres of water above the summit.
More in Ocean
The ocean is deeper than Everest is tall
Challenger Deep plunges about 10,935 metres. Drop Everest into it and more than two kilometres of water would still cover the summit.
Most of your oxygen comes from the ocean
Tiny drifting plankton produce an estimated half or more of the oxygen we breathe — every second breath comes from the sea, not the forest.
A living structure visible from orbit
The Great Barrier Reef stretches 2,300 km and is built by billions of tiny coral polyps — the largest structure made by living things on Earth.