The answer is A) He developed new methods of steel production.
Answer:
English scientist; he invented the dynamo—a machine that generated electricity. His invention eventually led to today's electrical generators. Which then led to telephones because telephones needed electricity to function
Thurgood Marshall was the first African American Supreme Court justice. He was a Supreme Court justice of United States and social equality, advocate. Marshall earned a critical place in American history on the premise of two achievements.
Answer:
Number on you can tell by what site you are on if you are on Wikipedia you cant trust it. number two if it has .org or.gov you can trust it couse it give accurate information number three if you know what some of the facts are you can tell if they are true or not on the website.
Explanation:
