Mass production of steel, large suspension bridges, steel frame construction in buildings. It allowed impurities to be removed cheaply and easily, enabling steel to be produced in mass quantities.
Through agriculture using the Euphrates river
Answer:
two examples of things studied in the earth sciences are rocks and landscape features.
Explanation:
there's actually A LOT you can learn in earth science, so rocks and landscape features are just two examples. if you want even more specific examples, there's igneous rocks and sedimentary rocks, and there's also landscape features like glaciers and eolian systems (both of these you can find naturally on the earth).
The question is kinda lacking. Probably, it has choices to make the question answerable.
