Answer:
atrium
Explanation:
I'm not sure exactly cause I learnt this 3 years ago
Throughout World war 1 airplanes were most often used to Bomb targets on land because this was seen as one of the most effective ways to hurt the enemy.
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:
Frictional. Structural. Cyclical. Classic. And Natural.
:) Brainliest answer please?