The answer to this question is <span>candide
</span><span>candide was first published in the 1750s during the age of enlightment and gained massive popoularity and started to widely stranslated all overt the world.
</span>The boradway adopt this novel into musicals in 1959 and it's traction make the works nows as a basis of musical in modern age.
"Pavlov's dog" experiments with bell ringing as the association, operating on food being served after the bell's chime, involved him measuring the dogs' salivation quantity as a result. It was a study on classical conditioning.
He showed that two things become associated because there is anticipation of reward.
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: