One of the largest cypress trees in Florida has a tree trunk with a diameter of about 3.5 m. What is the source of most of the carbon in the cypress tree's trunk?​

How long could you survive without electricity? what parts of your life would be affected by loss of electricity? should you prepare for an electricity outage, and if so, how would you prepare? what backup system could your family or community install to generate limited amounts of electricity during an outage? how does this system create an electric force field and generate electric current?