The kind of economy that was created in pittsburgh is called
a.
post-industrial.
c.
post-modern.
b.
commodity-based.
d.
twenty-first century.

Compare the quantity in column a with the quantity in column b. pa p a is tangent to the circle at a. column a column b ap a p ax a x question 4 options: the two quantities are equal. the quantity in column a is greater. the relationship cannot be determined from the information given. the quantity in column b is greater.