What I Can Do can In this present time, environmental problems are one of the major disaster that affects our community. To inform everybody on the coming disater, we create loud sounds froin different things in order to produce sound with larger amplitude, longer wavelenghth and faster velocity. As a student, we must be prepared in order to make ourself and others safe. Directions: Draw an object that can be used as an early waming device considering a loud sound must be produced. Write you're answer in a separate sheet of paper,​