About the Author Randy Liang has earned a Bachelor's Degree of Science in Biochemistry and Molecular Biology from the University of California, Davis. Since then, he has primarily worked with ThinkTank Learning as a Chemistry and Biology teacher and tutor. Because he struggled in his high school chemistry class, Randy knows certain barriers that prevent students from understanding. As a teacher/tutor, Randy has helped many students earn high scores on their Chemistry exam through his method of communicating the information the students. He is currently in the process of applying to medical school. Read more
Posted by Anastasia J G
wtffff i do not understand this!
Posted by Cristian
so many fake sites. this is the first one which worked! Many thanks
Posted by John Macciva
lol it did not even take me 5 minutes at all! XD