- Of all the major fertilizer nutrients, nitrogen is the main nutrient affecting soil pH, and soils can become more acidic or more alkaline depending on the type of nitrogen fertilizer used.
Some of the most important factors of social change are as under: Certain geographic changes sometimes produce great social change. Climate, storms, social erosion, earthquakes, floods, droughts etc., definitely affect social life and induce social change. Human life is closely bound up with the geographical conditions of the earth.
Economic (Mandan) Theory of Social Change 4. Conflict Theory 5. Technological Theory. A variety of reasons have been offered throughout history to explain why social change occurs. The problem of explaining social change was central to nineteenth century sociology. Many earlier theories of society that claimed to be scientific were in fact theories of change.