Originally Posted by Barking Lamb
Get different science letters. I used two chemistry professors.
Some schools do have strict requirements. I suggest you go to the school's websites and check.
I cannot contact the prof who taught intro chem I and II... I will try to contact the prof who taught orgo I and II, though I did not do the best in orgo I and the prof is known to not be that approachable - I have no choice, thanks