Fact 1: Acid rain has a negative impact on water quality.

Fact 2: Acid rain is caused by pollution.

Given the two facts above, answer the question "What is bad for water?" with the following options: 
- pollution
 - seaweed
 - flooding
 - rain
 - deforestation
 - Pesticides
 - Wet weather
 - fresh water


 

 pollution        