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solar energy in 2021

solar energy definition solar energy definition: They are photothermal filaments emitted from the sun that are converted by human-developed technology into heat energy for heating or to produce electrical energy.Through the photoelectric phenomenon   How much solar energy reaches the…

Global warming

What is global warming? global warming is the rice in the average temperature over Earth’s atmosphere and ocean since the late 19th century and its projected continuation as known (Green House Effect). Since the Industrial Revolution, the global annual temperature has…