39
QuizMultiple Choice

Unit Test — Unit test

Question 39 • PBCSD_Grade_Forgiveness_2003310_Physical Science_S1_2022

Prior to the invention of a revolutionary means of travel, people had to take long, dangerous journeys to cross parts of the country. Due to this development, society was revolutionized as travel became safe and efficient.

Answer
A
the airplane
B
the steam engine
C
the car
D
the train