lesson 1 : what causes weather lesson 2:what conditions affect the water cycle lesson3:how can patterns in weather be observed vocabular preview lesson 1, 2 and 3. atmosphere. the blanket of air surrounding earth.
- If you work in an airconditioned environment and follow a sedentary lifestyle, do not drink more than 2 to 2.5 litres of water per day. - For moderate workers, for instance salespersons, it is important to drink around three litres of water.
Experts say that you should drink at least eight glasses of water every day; a glass of water is about 8 ounces US or about .236 milliliters. That estimate assumes that your environment is normally cool, you are about 150 pounds or about 68 kilograms, and exercise in some form, about 20 minutes a day. Recent studies have revealed that there is no set requirement of water per day. You should drink when you are thirsty.