The answer is Polish
Hope that helps
Pull factors are reasons why groups of people leave a particular place.
The effects of acid rain are most clearly seen in the aquatic, or water, environments. For an example, streams, lakes, and marshes.Acid rain flows to streams, lakes, and marshes after falling on fields, forest, roads, and buildings. Acid rain also directly falls on aquatic habits.
The more people that are migrating to urban areas (urbanization) needs more crops for the citizens which causes more people to grow crops and without crop rotating or methods to prevent soil degradation. More likely answer is that more industry grows in the urbanized areas and they have poor management of the soil which causes soil degradation<span />