What is the loess of the yellow river?
a. fertile, yellow-brown silt
b. the twists and turns that cause the river to flood
c. the source of the river on the high tibetan plateau
d. a term referring to the flooding of the river

Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.

Answer erosion,oil spills,pollution,tourism,urban development;

Ibelieve it's the pacific islands