Paper making, the compass, and printing
Hope I helped :))
Answer:
When added to ice, salt first dissolves in the film of liquid water that is always present on the surface, and lowering its freezing point below the ices temperature. Ice in contact with salty water therefore melts, creating more liquid water, which dissolves more salt, thereby causing more ice to melt, and so on.
Answer:
B or A
Explanation:
I'm pretty sure A because traditions are usually consistent and maybe B because it's a way of doing things.