How does the percentage of oxygen in water compare to that in the atmosphere?

2 Map of the world oceans (By Pinpin [GFDL (http://www.gnu.org/copyleft ... 1 Percentage of Earth's water in various locations. Pacific, 52%. Atlantic, 25 ... Freshwater makes up a very small fraction of all water on the planet. While nearly 70 percent of the world is covered by water, only 2.5 percent of it is fresh. Percentage of population drinking water from ... No estimates are reported if less than 30 per cent of the population in the region or world are covered. Apr 3, 2025 ... It is unexpected and somewhat inconceivable that less than three percent of Earth's water is freshwater. According to the U.S. Geological Survey ... 703 million people in the world – almost one in ten – don't have clean water close to home. WHO/UNICEF (2023). Progress on household drinking water, sanitation ... The fastest progress was seen in Central and Southern Asia and in Latin America and the Caribbean. Overall, 90 per cent of the world's population had at least ... By 2025, half of the world's population will be living in water-stressed areas. ... per cent of the current population in these countries gaining access to ... Jun 14, 2020 ... Roughly 70% of Planet Earth is covered by Water and land is about 30% above the sea level. During an Ice Age, the sea would be around 65-66%. Mar 19, 2021 ... Meanwhile, a fifth of the world's river basins are experiencing dramatic fluctuations in water availability, and 2.3 billion people are living ... Where does the water come from? The Great Lakes is the world's largest surface freshwater system in the world, containing about 18 percent of the world's supply ...