What is the term given to a geologic break between and upland region and a coastal plain ?

Bonus question: according to wikipedia, in chinese philosophy yin and yang "describes how seemingly opposite or contrary forces may actually be complementary, interconnected, and interdependent." what are some examples from the story that amy tan may have intentionally incorporated elements of yin and yang philosophy into this story? select 2.

What changes occurred over time that was over directly to this event? alice paul an the woman’s suffrage movement

Which diagram provides an accurate example of how the government uses open market operations?