Answer:
Rural to urban migration represents people moving from village to town.
Explanation:
This causes the cities to grow and to be overcrowded. People migrate from countryside to town to find better life standard. They are in search for better jobs, vivid social life and run away from rural living. Unfortunately this causes the villages to be abandoned and be forgotten.
there are more than 200 countries in the world
Answer:
Ocean currents, air currents, rotation of the earth.
Explanation:
ocean currents can effect the temperature of the water. air currents can bring in dry warm air, like over Africa and help warm the sea more, or cooler air from the arctic to help cool the surface water. Many of these effect are driven by the Coriolis Effect.