PRESENTATION OUTLINE
Water can occur in three states
Water is constantly from the sky to the earth in a continuous cycle. It is also constantly changing states from liquid to gas to ice and back again.it has been doing This for billions of years . Would you believe that a caveman could have once Used your water to drink!
The natural water cycle is a continuing process of evaporation, condensation, precipitation and groundwater.
HOW IS THE NATURAL WATER CYCLE AFFECTED BY URBAN ENVIRONMENTS?
The natural water cycle still occurs in urban areas (e.g. cities and towns) however there are some changes which are the result of increased population, and therefore increased building and development. The urban water cycle shows the consequences of increased development. More development and more concrete means less infiltration of rainwater into the soil, and more run off.