Water covers 71% of the Earth’s surface. 96.5% of Earth’s water is found in oceans, 1.7% in groundwater, 1.7% in glaciers and ice caps, and 0.001% in vapor and clouds. Only 2.5% of that water is freshwater, with most of that found in ice and groundwater.Water is essential for all life on Earth. From the smallest microbe to the largest known life form on Earth – the Blue Whale – life cannot exist without water.
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