Answer the following question: Process:  - Acid rain makes waters acidic - Causes them to absorb aluminum from soil - The water runs off from the soil into lakes, streams, etc - Fish and their eggs die - Frogs and plants die - Insects and other wildlife die - The ecosystem is out of balance, causing further problems -   Perturbation hypothesis: suppose there is increase of acid in the air happens, how will it affect MORE damage by acid rain.  Does the supposed perturbation have an effect (direct or indirect) on the process?
Answer:
yes