Fun fhjzsh going chichi. Gok
Through a dam... hope this helps:)
Answer:
Nuclear power is presently a sustainable energy source, but could become completely renewable if the source of uranium changed from mined ore to seawater. Since U extracted is continuously replenished through geologic processes, nuclear would become as endless as solar.
The flashlight is powered by one or more batteries.
Batteries supply Direct current (DC) .