How did the ural mountains form?

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

The declining axolotl population in mexico city is an example of in overcrowded cities. a. the surpassing of support capacity b. changes to natural environments and native species c. the lack of safe homes and tenured spaces d. the effects of a growing urban heat island

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