Trân Nguyễn

I just want to ask whether the AP Environmental Science will be finished by March/2022 or not, because I will take the test next year and need the full course to practice. Thank you the Khan Academ...

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3. Content Update: Course Updates are on their way in late July 2021!

I love the videos that have worked examples in this course so much!!! Will the course be finished by March 2022 cause I will have my AP test in May 2022. THANKS A LOT!!!

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3. Content Update: AP® Chemistry beta