The Water Cycle The amount of water in the earth’s environment never changes, whether it is as a liquid (fresh water, seawater, rain, tiny droplets in clouds), as a gas (water vapor) or in its solid state (snow, ice or
Sources for Ground Water
Ground water has gotten into the earth from one of the following sources: 1. Meteoric water. 2. Condensational water. 3. Connate water. 4. Juvenile water. 5. Mixed source water. 1. Meteoric Water It includes waters formed by infiltration of
Three Causes of Water Pollution
The main causes for water pollution are : Disposal of waste: This waste includes sewage, garbage and liquid waste from factories and homes. Wastages from chemical factories contain many toxic or poisonous chemicals. These are discharged into rivers. The river-water