B is the correct answer.
Both Westinghouse and Tesla worked on electricity and their inventions helped make electricity a common feature in the world.
<span>BENEDICT ARNOLD </span>because he was originally a hero in the war but then he became a spy for Britain
No it is our curiosity that we learn history with fun it is true
Answer:
Explanation:
the second most dense layer of earth, second hottest, and made up mostly of liquid iron with other liquid metals.