It was Charles Goodyear who began the modern-day plastic revolution when they vulcanized rubber in 1839, paving the way for the tire. A. was B. they C. the way D. who
It was Charles Goodyear who began the modern-day plastic revolution when they vulcanized rubber in 1839, paving the way for the tire.
A. was
B. they
C. the way
D. who