Oh? im sorry :( stay strong
Slang, it's a phrase tht people have developed
Organic matter and nutrients causes an increase in aerobic algae and depletes oxygen from the water column. This causes the suffocation of fish and other aquatic organisms. Sulfate particles from acid rain can cause harm the health of marine life in the rivers and lakes it contaminates, and can result in mortality.
A system of signs that represent ideas is a language.