Why does prolonged stress often result in an increase in illnesses?

Amountain is larger than a hill, with steep sides true or false

According ti the following map, what are the most common mineral resources found in the united states?

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