Revision guide for climatic hazards What is a tropical storm? ________________________________________________________________ ________________________________________________________________ What is a drought? ________________________________________________________________ ________________________________________________________________ What is el-Ni単o? ________________________________________________________________ ________________________________________________________________ What is la-Ni単a? ________________________________________________________________ ________________________________________________________________ What is desertification? ________________________________________________________________ ________________________________________________________________ What is global climate change? ________________________________________________________________ ________________________________________________________________ What are the causes of a tropical storm? Draw an annotated diagram to show how a tropical storm is formed.