Hey... Um-mm the answer is the two factor that affect population size is emigration and Immigration. The diff of emigration and immigration is that emigration is when you leave some way for an ex Mexico, When Mexican leave there country they are emigrating. And when they come in to the US They are immigrate. :)
The study of changes in a population's size is called demography. It involves analyzing birth rates, death rates, migration patterns, and other factors that can influence population growth or decline. Demographers use mathematical models to predict future population trends.
political influence
Explain how the concepts of territory, population, sovereignty, and government influence the development of a nation.
carrying capacity
dont know
it increases the power of the ocean
from their enviroment
Simple mathematics. If there are more births than deaths, the population will increase. If the reverse is true, the population decreases.
because they all died
It provides information to all the population it supplies
meh
brain damage