1. is civilization
8. is stelae
2. is "the three sisters"
5. is khipu
6. is hieroglyphs
7. is archeology
4. is New world
3. is terraces
At first, it was A, and then C, and then finally B. Hope this helps!!!
Answer:
Bessemer
Explanation:
The Bessemer process was so fast (10–20 minutes for a heat) that it allowed little time for chemical analysis or adjustment of the alloying elements in the steel. Bessemer converters did not remove phosphorus efficiently from the molten steel; as low-phosphorus ores became more expensive, conversion costs increased.
Calcium has 2 valence electron.
Lithium has 1 valence electron.
Argon has 8 valence electron.
Fluorine has 7 valence electron.
