Erosion occurs when natural forces alter a landscape. what does it mean to alter a landscape?

Use your map on page 347 to find europe (hint: there is a smaller map on the bottom of that page that shows you specifics! ) name three countries in europe. *

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.

Which factor contributed to the rise of african empires such as ghana and mali?