Education Pollution

1.EnvironmentalPollution 2. Pollution An undesirable and unfavorable change in physical, chemical and biological characteristics of land air and water that harmfully affect…

Engineering Water crisis (nazieh)

Water The Crisis Chemist M. Nazeih M. Gamal Abu Qir Fertilizers Co. Water = Life Water Properties Physical Properties - Colorless, odorless, and no taste. - One ml weigh…