Which of the following statements best identifies how the growth of the city of los angeles affected the owens river valley?
a. runoff from large areas of asphalt eroded soil from the river valley, added silt to the river, and destroyed fishes' habitats. b.water was diverted from the river valley to supply drinking water to los angeles. c.the river valley was filled with soil that was dredged out of the harbor as los angeles expanded. d.acid rain from los angeles changed the chemistry of the river, resulting in the death of many fish.
the answer is not d

 Acid rain from Los Angeles changed the chemistry of the river, resulting in the death of many fish.Due to human activities in Los Angeles, pollution is not anymore shocking. The acid rain would be distributed to the river which would change the environment of the aquatic life. 

B. )Water was diverted from the river valley to supply drinking water to Los Angeles.

d. stage 4

explanation:

the existence of some kind of demographic transition is widely accepted in the social sciences because of the well-established historical correlation linking dropping fertility to social and economic development.[1] scholars debate whether industrialization and higher incomes lead to lower population, or whether lower populations lead to industrialization and higher incomes. scholars also debate to what extent various proposed and sometimes inter-related factors such as higher per capita income,lower mortality, old-age security, and rise of demand for human capital are involved.[2]