What is meant by the term "white flight"? How has this issue affected cities? (no answer choices)

The world wars of the twentieth century immediately led to a. the establishment of a communist bloc in eastern europe b. the urbanization of europe’s societies c. an emphasis on humanism d. an emphasis on ties to greek and roman societies select the best answer from the choices provided. a b c d

In the diagram, δgef and δhef are congruent. what is the value of x?

What is most likely the effect of unrestricted hunting of gray wolves on the food web of the region