The salty waters of the planet cover more than 70% of the surface of the globe, about 360 million km2, and are home to animals and plants.
Furthermore, the oceans:
Furthermore, the oceans:
– are vital to our survival and help regulate the Earth's temperature and rainfall.
– They have an average depth of 3,800 meters , with a maximum of 11,000 in the Mariana trenches, in the Pacific; more than 2% of the ocean floor is at 6,000 meters.
– They are home to the highest mountain in the world: Mauna Kea, a Hawaiian volcano that penetrates 12,200 meters below the sea, although only 4,205 meters are above the surface.
– they have 96.5% pure water and 3.5% other substances.
– have an average surface temperature of 17.5 ºC.
– Each year they receive 6.4 million tons of garbage , and 70% of it ends up on the seabed.





