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www.reference.com/article/world-s-oceans-7bce375b9b22f543

Oceans cover the majority of the Earth's surface, which is why the Earth appears blue from outer space. Oceans cover over 129 million square miles of Earth, which is about 65.7 percent of the Earth's surface. The deepest part of the oceans can reach a depth of over 6 mi...

www.reference.com/article/interesting-oceans-5c78e51cd714a44f

As a system of interconnected bodies of salt water, oceans cover 70 percent of the earth's surface and hold 97 percent of the planet's water supply. The five major oceans of the world are the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Southern Ocean and th...

www.reference.com/article/ocean-kids-908c5e3dec86a892

Only about 30 percent of the Earth's surface is dry land, oceans make up the remaining 70 percent. Earth's oceans are home to hundreds of thousands of marine life forms, but because most of the ocean depths remain unexplored, hundreds of thousands or even millions of un...

www.reference.com/article/fun-ocean-bcc8af82d8c269f7

Oceans lay claim to about 70 percent of the surface of the earth, and ocean life accounts for 94 percent of living things. Despite this, scientists have yet to explore most of the ocean, as its average depth surpasses 12,400 feet and is mostly cloaked in darkness.

www.reference.com/article/ocean-life-kids-4c98b20b49d0b247

Octopuses, jellyfish, sharks, sea stars and sea turtles are a few of the numerous animal species that inhabit the oceans. Since most plants need sunlight to carry out photosynthesis, many underwater plants make their homes close to the shore. Phytoplankton is one of the...

www.reference.com/article/ocean-ecosystem-12f4e88bc3b448a6

The ocean ecosystem is also called the marine biome, and it makes up around 70 percent of Earth. The ocean ecosystem contains saltwater and includes the five main oceans and some bays and gulfs. Other things located within an ocean ecosystem include mangrove forests, ba...

www.reference.com/article/temperature-atlantic-ocean-478e1b4142fff0cd

The temperature of the Atlantic Ocean at its surface level averages about 17 degrees Celsius, which is not quite warm enough for a comfortable swim. However, the ocean's temperature varies widely based on location, climate, depth and other factors.