Write a letter to the leaders of the countries in the Middle East about the importance of diversifying their economies. It will be hard work for these countries so in order to convince them to take any action you will need to provide plenty of reliable evidence to support your claim. No links and only answer if you know

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.

To what is the growth of civilization most clearly traced

Population parameters are difficult to calculate due to