this video is a lifesaver for me! once quarantine started my teacher stopped giving us proper reviews for the exam and we NEVER went over any of this. thank you so much!
thank you for your videos.. i definitely cannot go through 20 pages of reading and understanding in one night and i feel like your video covers all the important stuff!
![Lp. Сердце Вселенной #60 РОЖДЕНИЕ ЛОЛОЛОШКИ [Финал] • Майнкрафт](http://i.ytimg.com/vi/YoR0pAV9FVQ/mqdefault.jpg)
this video is a lifesaver for me! once quarantine started my teacher stopped giving us proper reviews for the exam and we NEVER went over any of this. thank you so much!
I’m considering taking Ap Bio next year just because Dr. H is the Ap bio teacher at my school lol
These videos are great! Thank you for taking the time to make them!
Really appreciate these videos. Explanations along with diagrams are very clear and easy to understand.
Love how to the point these are!!! So helpful for review and indicating topics I need to go more into!!
thank you for your videos.. i definitely cannot go through 20 pages of reading and understanding in one night and i feel like your video covers all the important stuff!
when are you going to upload videos for unit 5 and 6 (if you're planning to upload them at all)?
i did not understnd this unit at all before this vid and now i do!!
this is amazing, i love all your videos.
We really throwing down the last second grind
13:18 I think you meant that it is 2:1 ratio
Hi, when will units 5 and 6 be uploaded? Thanks
yet another banger by dr h 🔥
im back for the test
are u gonna upload unit 6?
Hello, amazing video, helps me a lot. Which textbook you use?
Thank you!
Appreciate you!
22 minutes lets go
Nicholas Jako we’ll see damn
thank you bestie
wish me luck on my exam tmrw 😫😓😓
My exams in one hour lol
:(