NON COMMUNICABLE DISEASES( NCDs) By NSABIMANA Olivier Philemon, B.Pharm. ASEPA / UNR From 19/4-3/5 /2014.
How Can People Change Ecosystems?
By: Aliyaa & Leila l
POLLUTION K.Z.. Pollution is the introduction of contaminants into the environment. It’s a global problem All living things depend on Earth’s supply of.
WHAT CAUSES WATER POLLUTION? Oil Pollution: the oceans are polluted by oil on a daily basis from oil spills, routine shipping and run-offs. Sewage and.
