Answer
False
Explanation
In a demographic equation is a mathematical model that determines changes in population by taking births minus deaths plus the amount of migration to the demographic area. The estimate is simply on the increase or decrease in population by adding the number of births plus the net migration to the previous numbers then subtracting the number of deaths.
Answer:
Because Mexico–U.S. migration represents the largest sustained migratory flow between two nations worldwide, much of the theoretical and empirical work on migration in the Americas has focused on this single case. Yet in the past few decades, migration has emerged as a critical issue across all nations in Latin America and the Caribbean. Indeed, over the past fifteen years, this region has changed its historical position from a net migrant-receiving region to one of the leading sending areas of the world.
Answer: Options A, B and D.
Explanation: shields are layers of old rocks that metamorphosed as a result of mountain-building events. Shields also have sedimentary layers that usually rest on the lava of the rock.
Half the mountain collapsed.
Hope this helps!
~C