If the ACA is repealed, with it will go the protection it offers individuals with preexisting health problems. They would again be denied health insurance or subjected to unaffordable insurance premiums.
The rapid transition from a non-conducting to a conductive state produces a brief emission of light and a sharp crack or snapping sound. A spark is created when the applied electric field exceeds the dielectric breakdown strength of the intervening medium.
Lightning and Thunder. Lightning is the spark caused when electricity that has built up in a thunderhead discharges. One theory is that air in motion rubs particles of ice and rain moving downward against particles moving upward. As the particles rub together they become charged with static electricity.