acid rain habitat loss coastline erosion algal growth in lakes
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Modern factories and industrial plants have filters that remove much of the sulfur from their emissions before it reaches the atmosphere. This design feature helps most in reducing the contribution of factories to which environmental problem?
Possibilities:
- acid rain
- habitat loss
- coastline erosion
- algal growth in lakes

acid rain