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Answer:</h2>
<u>Continuous availability</u> is the most significant advantage of using renewable energy sources.
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Explanation:</h2>
The type of energy which is replenished continuously without any hindrance is called as renewable energy source. It is obtained from factors which are available in nature such as wind, sunlight, ocean, etc.
Renewable energy frequently gives vitality in many significant areas such as electricity generation, air and water warming/cooling, transportation, etc. Though it has many applications and advantages, its continuous viability is considered as most significant one.
