Science, asked by rose4756, 18 hours ago

In the Library-Research Project Some chemical changes take place only in the presence of light. The study of such changes is called photochemistry (photo means light), and the changes are called photochemical reactions. Some common and useful chemical changes are described below. Find out about them and answer the questions: unlight and is resnonsible for providi​

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Answered by empirefahad822
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In the Library-Research Project Some chemical changes take place only in the presence of light. The study of such changes is called photochemistry (photo means light), and the changes are called photochemical reactions. Some common and useful chemical changes are described below. Find out about them and answer the questions

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