Plasma is a state of matter which is a hot ionized gas and it contains molecules with positive ions and negative electrons.
Since there is high kinetic energy of molecules so, there is swirling gas of positive ions and negative electrons. As a result, there will be release of electrons.
For example, lightening is an example of partially ionized plasma.
Sound can be used to alert us in emergencies. 2. Sound can also be used to help blind people navigate the world better. I’m sorry if these horrible but I tried lol