Which event listed is most likely to cause a widespread influenza outbreak

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 of the following events most directly contributed to the establishment of israel as a nation

Which statements are true about "evidence"? )observations which answer questions )proof that an idea is true )information for or against an idea )data to draw a conclusion