David S.
What do you want to work on?
About David S.
Subjects
Chemistry, Calculus BC
Education
Bachelors in Chemical Engineering from Universidad Nacional de Colombia
Reviews 
(15)
Tammy
Science - Chemistry
Nov 6, 2024
very patient.
Megan
Science - Chemistry
Nov 5, 2024
very good
Leah
Science - Chemistry
Oct 29, 2024
Very helpful in checking my work
