Where do Tropical Cyclones (Hurricanes) form? Why are they so violent?

Most of earths fresh surface water is found in

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

What is one early technological advance that shaped culture? a the use of fire b the discovery of arable land c family units. d migration