The growth of the service economy in the 1990's caused
a. an increase in american blue-collar jobs, such as coal mining and steel making.
b. a decrease in new small businesses.
c. a new industry-based economy.
d. an increase in white-collar jobs, such as lawyers and teachers.

this isn't a question and if you're going to list things be kind and use commas.

the section of the chart that represents a point at which a bill needs approval from a majority of people in both chambers to advance is j, as this is the only section before the bill becomes law which has both rows (symbolizing the chambers) converging into one, meaning that the two parts of the congress have to approve of it before it can march on with the process.