Answer: light energy
Explanation: Hope this helps!
I THINK 0.01...i think meaning im not 100% sure but i hope this helps
A) The volume of trade between Europe and North America increased
Answer:
External/ internal migration.
Physical factors that affect population density include water supply, climate, relief (shape of the land), vegetation, soils and availability of natural resources and energy. Human factors that affect population density include social, political and economic factors.