Which challenge does southern North America face? Choose all correct answers.

•lack of workers

•poverty

•ice storms and tornadoes

•few resources

How can minerals crystallize from materials dissolved in water? check all that apply.

Which is not part of the definition of a family? two or more related people living together being married or in a partnership a single person living alone choices a and b

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