What natural disaster starts with j?

The SI unit for energy is the what? What other features do you think are vital to life? How tall do the trees grow in the Amazon rainforest? The name ''volcano'' has its origin from the name of vulcan a god of? How bad is tropical storm don? When did H. C. Prange Co. end? What season can you see Pluto? What are examples of how cultural geography may have affected the Great Migration in the US? Reservoir from which volcanic materials erupt? Is the Earth much closer to the Sun at any time during its motion around the Sun? What is an example of a six carbon sugar? How do you do a front sommersault? Why should the lubricant oil be of high viscosity? If an atom gains an electron or loses an electron what is it called? What is the definition of scientific inquiry? What single-celled layer of the epithelium forms the lining of serous membranes? What is the most important measure of bond returns? How many milliamps are in 12 volt dc - 2watts dc? What are the three characteristics of nastic responses? Deformation of bi-metal when heated up?