Solar energy, radiant light and heat from the sun. The sun light falls on the boundary between the two different types of semiconductors in the photovoltaic cell, This technique cheap it is available for free, will not be expensive in the future. And solar technologies are broadly characterized as either passive solar or active solar depending on the way they capture, convert and distribute solar energy.
In the end, we have to use this energy for the benefit of the world.
What is passive solar and active solar? You must give an example of this in your paragraph to show that you know what you are talking about.
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