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Our Solar System
12th grade essay on chemical bonds in our solar system. Well Researched!
Solar cells today are mostly made of silicon, one of the most common elements on Earth.
The crystalline silicon solar cell was one of the first types to be developed and it is still the most
common type in use today. They do not pollute the atmosphere and they leave behind no harmful
waste products. Photovoltaic cells work effectively even in cloudy weather and unlike solar
heaters, are more efficient at low temperatures. They do their job silently and there are no
moving parts to wear out. It is no wonder that one m…
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