Fun Facts
- More than 97% of all our planet's water is contained in the ocean
- The top ten feet of the ocean hold as much heat as our entire atmosphere
- The average depth of the ocean is more than 2.5 miles
- The oceans provide 99 percent of the Earth's living space- the largest space in our universe known to be inhabited by living organisms
- More than 90% of this habitat exists in the deep sea known as the abyss
- Less than 10% of this living space has been explored by humans.
- The word tundra comes from the Finnish word tunturia which means treeless land