Choose 3 of the following Ancient Civilizations. Mention one achievement for each and explain why that achievement was important to them and/or how that achievement is important to us.

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 of the following is not a reason why shenzhen, china, is considered an emerging global city

High human population have had a negative effect on what issue? a. demand for consumer goods b. ability to staff armies c. business profits d. biodiversity