Question

Which application of a new technology can be attributed to an invention of Thomas Edison?

a
Sonar technology was used to track submarines.
b
Refrigerated railroad cars allowed food to be transported long distances.
c
Light bulbs made it efficient for factory workers to work at night.
d
Diesel engines were used in the production of airplanes.
Question 9 (5 points)
The Knights of Labor and the America Federation of Labor developed in response to the-
a
increased demand for skilled workers
b
decreased power of political machines
c
decreased profitability of the agricultural sector
d
increased need to protect worker interests

Answer 1

1.In his 84 years, Thomas Edison acquired a record number of 1,093 patents (singly or jointly) and was the driving force behind such innovations as the phonograph, the incandescent light bulb and one of the earliest motion picture cameras. He also created the world's first industrial research laboratory.

2.The aircraft diesel engine or aero diesel is a diesel-powered aircraft engine. They were used in airships and tried in aircraft in the late 1920s and 1930s, but never widely adopted beyond this.

3. ether a or c

Step-by-step explanation: