Question

Which does not demonstrate the progression of important human technology?

Answer 1

The answer to this question is from telephone to telegraph to cell phone.
Telegraph was invented way before the telephone. Telegraph was developed around 1837 by utilizing the morse code.
The telephone, on the other hand, was developed around 1876s by famous inventors name Alexander graham bell

Answer 2

The person who answered this before said it was from telegraph to telephone to cell phone but when I did the unit test for this it said the right answer was from railroad to horse-drawn carriage to automobile . Hope this was the right answer for whatever you are doing with this information.