(1) the Renewable Energy source renewable energy, new born again in a short time or seasonal water use is not entirely like the solar wind, agricultural products, etc.
(1) Renewable Energy sources renewable energy generated in a short time, seasonal or is not exhaustive as solar, wind, water, agricultural products and so on.
(1) Renewable Energy energy source that back again in a short time, or what is not seasonal depletion, such as solar water The wind, agriculture products, etc.