- 30% of fresh water is in the ground.
- 1.7% of the world’s water is frozen and therefore unusable.
- Approximately 400 billion gallons of water are used in the United States per day.
- Water can dissolve more substances than any other liquid including sulfuric acid.
- The freezing point of water lowers as the amount of salt dissolved in at increases. With average levels of salt, seawater freezes at -2 °C.
- About 6,800 gallons of water is required to grow a day’s food for a family of four.
- 780 million people lack access to an improved water source.
- 1/3 of what the world spends on bottled water in one year could pay for projects providing water to everyone in need.
- Water weighs about 8 pounds a gallon.
- A jellyfish and a cucumber are each 95% water.
- 70% of the human brain is water.
- Up to 50% of water is lost through leaks in cities in the developing world.
- $260 billion is the estimated annual economic loss from poor water and sanitation in developing countries.
- A person can live about a month without food, but only about a week without water.
- Water expands by 9% when it freezes.
- There is about the same amount of water on Earth now as there was millions of years ago.
More space.com showing on www.ln247.news/live
