Thank you, Desirée.

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Thank you, Desirée.   One more question. Will Khan be adding a High School Physical Science folder?

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On Khan, there are two High School Biology links. One says High School Biology and the other says High School Biology Beta. What is the difference?   High School Biology - https://www.khanacademy.o...

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Please include the following units that will be taught in my High School Biology class.   Biology Topics - Introduction to Biology and Biochemistry - Macromolecules - Cell Structure and Function - ...

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3. Content Update: New AP Chemistry videos and exercises, plus new in-progress science courses!