1871. Hope this was helpful :-)
Answer: Source 1- Who were Bell and Gray? Alexander Graham Bell was an Inventor. And Elisha Gray was a gifted electrical engineer.
Source 1- Bell was a inventor, and Grey was a engineer.
Source 1- Why did they create the inventions? They created the inventions because people wanted more and the telegraphs weren't enough.
Source 2- I would say they both had a hand in the first telephone. People are still debating on who is the true inventor. Even though Gray submitted the application first.
Explanation:
its Determined by its density
Answer:
D. Many jobs in large cities
Explanation:
Large cities results most times from industrialization; that is more industries are set up. This usually is a result of technology advancements. As we discover more ways of doing things, we set up companies to carry out this new means or method of implementation. Consequently we need people and likewise, this people need housing; so is the case of migration of people from rural areas to larger or more exposed areas for need of work for a better economic life.
