How was the Ngorongoro Crater created? (4 points) Question 1 options: 1) by a volcano 2) by a meteor 3) with dynamite 4) by wind erosion

The telegraph, the transatlantic telegraph cable, and the telephone were important to businesses after 1850 because of a. they created a system for developing new inventions. b. they filled a need that other inventions of the day could not. c. they attracted investors and created the stock market. d. they made picture-taking a popular american pastime.