Does a reaction stop once it has reached equilibrium? explain

At an equilibrium the reaction does not stop. Reactants form products and products again convert into reactants. There is no change in concentration of reactants and products due to the same rate of reaction.<<< this is all true

Answerit is not a renewable energy source;

The main types of electromagnetic radiation. radio  waves have  the lowest frequencies  and  longest  wavelengths, while gamma  waves have highest frequencies  and shortest wavelengths. the wavelengths vary across the electromagnetic spectrum from about 10–15 m to more than 104 m.hope it !