A population pyramid tells us how many dependants there are. There are two groups of dependants, young dependants (aged below 15) and elderly.
Fault lines i believe is the answer dont know if that will help you any now but its worth a shot
Natural increase is birth rate- death rate
The answer is TRUE
during the late 1800s there was an influx of chinese immigrants to the united states due to the gold rush
they were actually the first racial group to be targeted by law (chinese exclusion act)