Why do we need energy? how is it generated? what are different type of

1.	Why do we need energy? how is it generated? what are different type of energy resource
Answer» We need energy to lead the life easily. Each and every part of the life requires energy. It is generated in many places, like when we fart, energy is released.Different sources of energy are..Wind energyWater energy (hydroelectric power)Farting energySolar energy....This is the perfect answer?

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