The ocean is the most mysterious environment on Earth. As the oceans cover over 71 percent of the Earth’s surface, there is a huge amount of water to research and understand: Only 5 percent of the oceans have been explored. Still, we have already learned so much. Did you know that we sent astronauts to the Moon before we sent divers down to the depths of the ocean to study the mid-ocean ridge, which is the largest mountain range on Earth? The ocean holds many wonders. Many incredible facts are contained in the infographic below, created by online scuba diving magazine DiveIn.com. These facts will not only leave you astounded but help you understand more about how amazing and critical to life.

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The 3 Facts about Mi