Answer:
All of the above
Explanation:
this is because a nation's boarder can be seperated by a body of water,mountain ranges and lines of latitude and longitude.
Answer:B. 7 percent, one-third
Explanation:
Very acuratley, once the rate of birth, mortality rate, and infant mortality rate are taken into perspective.
Answer:
Migration boosts the working-age population. Migrants arrive with skills and contribute to human capital development of receiving countries. Migrants also contribute to technological progress. Understanding these impacts is important if our societies are to usefully debate the role of migration
Oxidation - the breakdown of rock by oxygen and water, often giving iron-rich rocks a rusty-coloured weathered surface.