1. less than 1% of the water supply on earth can be used as drinking water
2. of all the water on earth only 2.5% is freshwater
3. less than 1% of water treated by public water suppliers is used for drinking and cooking
4. pure water has a neutral pH of 7 which is neither acidic nor basic
5. the weight a person loses directly after intense physical activity is weight from water
hope this helps! good luck with the assignment!