I think 2,5,1 but im not sure
Some of the most typical characteristics of groundwater are weak turbidity, a constant temperature and chemical composition and almost overall absence of oxygen. Circulating groundwater can have extreme variation in the composition with the appearance of pollutants and various contaminants.
Some of the negative effect of immigration are
1. Overcrowding ( could increase cost of housing)
2.increasing cost of services such as health care and education
3. Disagreement between different religions and cultures
4. It might stimulate capital formation and increase the level of *brain gain*.
5. Potential fall in real wages,especially for low skilled workers.
I hope this helps
Acid rain cause slower growth, injury, and kills forests, however they don't actually kill trees or crops that instantly rather it slows down their growth in producing leaves and crops and speaking of crops it doesn't affect that badly because farmers put chemicals in crops so that is why there is little affect
