Nation states are difficult to create because of colonies ((tell me if u need to know why because I can help with that))
Dams are important because:
They provide water for domestic, industry and irrigation purposes.
Dams often also provide hydroelectric power production and river navigation.
Domestic use includes everyday activities such as water for drinking, cooking, bathing, washing, and lawn and garden watering.
Dams and their reservoirs provide recreation areas for fishing and boating.
They help people by reducing or preventing floods. During times of excess water flow, dams store water in the reservoir; then they release water during times of low flow.
Answer :
Population distribution is the spread of people across the world, ie where people live.
The answer would be : <span>volcanism.
Hope this helps !
Photon</span>
