Seventy percent of our planet is covered by ocean, The deepest known point of the ocean is in the Mariana Trench, Ocean day is to remind people of the important role the ocean plays in our lives, The ocean is home to the majority of plants and animals on Earth, Rising sea temperatures have a direct influence on weather patterns, Increasing carbon dioxide levels is increasing the acid levels of seawater and putting many marine organisms at risk, Marine plants provide us with 70 per cent of the oxygen we breathe,

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