D: decomposition
Double check on google though
Answer:
"low cost of water to users and lack of government subsidies for improving the efficiency of water use"
Explanation:
- low cost of water to users and lack of government subsidies for improving the efficiency of water use
The leading cause of water pollution? agriculture.
In the western United States, as compared to the eastern United States, the major water problem is chronic drought and insufficient runoff
The answer should be 4) as it is known that uv radiation might have an effect on dna, thus causing mutations such as skin cancer in humans.