I am serious, polite and courteous

My name Papa Diagne. I earn my PhD since 2018 at Cheikh Anta Diop University of Dakar. I have a lot of teaching experience.
-I teach physics in the Physics Department at Cheikh Anta Diop University in Dakar.
-I taught science (Physics, Chemistry, and Math) at the Senegalese American Bilingual School (High School).
-I taught General Chemistry I at the Dakar American University of Science and Technology (DAUST).