Answer:
Bessemer had been trying to reduce the cost of steel-making for military ordnance, and developed his system for blowing air through molten pig iron to remove the impurities. ... This made steel easier, quicker and cheaper to manufacture, and revolutionized structural engineering.
Explanation:
I think it’s C
Explanation:
Answer:
writing
Explanation:
the Sumerians invented the cuneiform writing system which was adopted by the Akkadians, the Assyrians, and the Babylonians
Answer:
positive thinking
Explanation:
Scientific evidence points to importance of positive thinking - All In The Mind - ABC Radio National As psychologists turn their focus to positive emotions, a growing body of research is showing that positivity has knock-on effects that can help humans flourish in all areas of life.
