The data used to construct a population pyramid is obtained by: a) taking a population census
b) looking at labour force in the country
c) studying the statistics of the number of the children
d) looking at the emigration statistical data

all cities have a governor

all cities are in states or provnies then country

all cities have people

difference

some are rich

some are poor

some are average

no questions on whether they are allowed that right

answer; self-serving bias;

answer; paraphrasing;