Answer:
This affects it because they might of lost some valuable stuff.
Explanation:
I know this because I am a professor
a = migration rate
b = death rate
c = growth rate
d = fertility rate
It is B: To keep their bloodline pure.
I got this right on my test btw
sa bilang 1-3 ang sagot ay B. sa bilang 4 ay A at sa bilang lima namn ay A
D
natural resource can be a reason someone moves somewhere
