• 70% of Earth's surface is covered by water• oceans hold about 97% of all water• 3% is freshwater• majority of freshwater is stuck in glaciers• 71% is saltwater, 0.024% is readily available freshwater• 60% of the human body is water

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1. • 70% of Earth's surface is covered by water
• oceans hold about 97% of all water
• 3% is freshwater
• majority of freshwater is stuck in glaciers
• 71% is saltwater, 0.024% is readily available freshwater
• 60% of the human body is water