The diagram provides information about the process of how pollutants from contemporary life are transformed into acid rain, which sequentially contaminate the environment and the food chain.
Overall, it is a cyclical process that begins with the emission of pollutants into the atmosphere and continues through a series of natural stages, eventually leading to their entry into the food chain.
It can be seen that various types of emission resulting from human activities, such as housing, transportation, manufacturing, and power generation, rising high into the clouds and form large clouds of detrimental substances. Then these toxic (polluted) clouds cross over different parts of the world by wind and can end up on the group through acid rain, contaminating hills, fields trees, and plants.
In the final stages of the process, these pollutants are washed into rivers and lakes, where they accumulate and poison aquatic ecosystems, and then the food chain. Therefore, this process might be repeated in a circle.