Interesting & Amazing Facts
Oceans
Coastline
Canada has the longest coastline of any country, at 56,453 miles or around 15 percent of the world's 372,384 miles of coastlines.
Earth's Surface
The oceans cover 71 percent of the Earth's surface and contain 97 percent of the Earth's water.
Gold
If mined, all the gold suspended in the world's seawater would give each person on Earth 9 pounds.
Icebergs
The largest iceberg ever recorded was 335km (208 miles) long and 97km (60 miles) wide.
Living Space
Given their sheer volume, ninety-nine percent of the living space on the planet is found in the oceans.
Mountains
Although Mount Everest, at 29,028 feet, is often called the tallest mountain on Earth, Mauna Kea, an inactive volcano on the island of Hawaii, is actually taller. Only 13,796 feet of Mauna Kea stands above sea level, yet it is 33,465 feet tall if measured from the ocean floor to its summit.
Plant Life
The plant life in the oceans make up about 85 percent of all the greenery on the Earth.
Salt
If the ocean's total salt content were dried, it would cover the continents to a depth of 5 feet.
Species
Biologists estimate that somewhere between 500,000 and 5,000,000 marine species have yet to be discovered and described.
Volcanoes
Ninety percent of all volcanic activity occurs in the oceans.