Ok so the answer is magnetism
Answer:
convection currents are the result of differential heating
The Volga River is the main water way in western Europe. Glad to help :)
A physical feature is the mountains, deserts, and lakes. It affects where people live because of the climate, food, and water available. For example, if you live in the mountains, than you must have more snow than someone who lives in the desert. People may not want to live there because of the cold, that is why many people do not live in the mountains.
Hope this helps! :)