Jeff, I must admit I am very impressed with your work in tutoring chemistry students! It certainly awakens my interest in chemistry and teaches me a little about it. I plan to buy your DVDs and recommend them to anyone wishing to learn the basics of chemistry.
Jeff, I must admit I am very impressed with your work in tutoring chemistry students! It certainly awakens my interest in chemistry and teaches me a little about it. I plan to buy your DVDs and recommend them to anyone wishing to learn the basics of chemistry.
PeterJRam 3 years ago