Explanation:
Convection occurs in the Earth's mantle because it is the most efficient way for the Earth to cool or dispose of its deep-seated heat content. In general, heat can be transferred by conduction, radiation or convection.
Dividing islands north and South Korea
Answer :
Population distribution is the spread of people across the world, ie where people live.
Answer: Spain
Explanation: Christopher Columbus was sent to India by King Ferdinand & Queen Isabella. Instead of taking the normal route Christopher tried to go across the world. And ended up in North America & later reaching South America. When King heard there was gold he sent many men to take over the new land conquering Central America, portions of the Caribbean & larger portions of South America