Many countries of the sahel have

economic self-sufficiency
abundant water resources
valuable mineral resources
extensive highway systems

Which of the following is not a place where hydrogen can be found on earth? a. natural gas well b. atmosphere c. water d. mine

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

Over half of the african-american population in the united states live in