How did Guglielmo Marconi advance radio technology?

A-He invented the first machine that could transmit sound through wires.
B-He discovered that messages could be sent without physical travel.
C-He discovered that sound could be transmitted using radio waves instead of electric wires.
D-He created NBC, the first broadcast company.

Note: A is incorrect

Which of the following is the original meaning of the word college? a. an independent institution of higher learning offering a course of general studies leading to a bachelor’s degree b. a building used for an educational or religious purpose c. a group of persons considered by law to be a unit d. a body of clergy, living together and supported by a foundation