Sometimes google has the answers if not try a website with flashcards
Answer:
negatively, revealing, was in favor of
Explanation:
B. I'm really confident in B.
Answer: Elisha Graves Otis
Explanation: Elisha Graves Otis developed and invented the elevator which helped many who were handicapped. In developing the elevator, he also developed a safety device preventing elevators from falling if the hoisting cable has failed.
