How many languages are spoken in africa?
a. less than 25
b. between 25 and 100
c. between 100 and 1,000
d. more than 1,00

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