...as for Europe, I think Eastern Europe has the most problems with acid rain. I think areas that have a high amount of factories that emit dangerous gases is where most of the acid rain will appear.
Answer; Acid rain is mostly a problem in the Northern Hemisphere.
Explanation; This can be attributed to the fact that the area has a large, densely populated cities and a concentrated number of industrial and power plants in an area. These factors contribute to acidic gases in the environment such as sulfur oxide, nitrous oxide, which mix with rain water to form acidic rain. Additionally, prevailing wind direction which brings with it the pollution from the midwest to the north east.
A parasitic relationship is a type of relationship in which one organism, the parasite, lives off of another organism, the host, harming it and possibly causing death.
The organism that is harming the other one is called a parasite. Examples of Parasitism includes fleas or ticks that live on dogs and cats are parasites.
In this case; the organism that lives in the gills of a fish consuming fish's blood is the parasite, while fish is the host.
