A. Davy
B. Montgolfier
C. Edison
D. Jarvik
Submitted by: Asad Ullah Afridi
Correct Answer: Montgolfier ✔
Last Updated: December 12, 2018
A. Davy
B. Montgolfier
C. Edison
D. Jarvik
Submitted by: Asad Ullah Afridi
Correct Answer: Montgolfier ✔
Last Updated: December 12, 2018