The teaching activity undertaken by Bell was considered `noble` particularly because–The words uttered by the Emperor suggest that he was extremely–What according to the passage was the contribution of invention of telephone?Which of the following made Bell invent telephone?Choose the option that best expresses the idea of the word `revolutionize` used in the passage–
He was teaching the physically under privileged persons
He was working for the betterment of the deaf and the dumb
He established a school for the deaf and the dumb- the first of its kind
He was a very famous scientist of his times
Explanation:
Correct Answer is: He was working for the betterment of the deaf and the dumb surprised It revolutionized human life Encouragement received from Watson Change drastically
