How did the stock market crash of 1929 contribite to bank failures?
a. investores who had lost money in the stocj market did not have the money to repay the banks for the loans they took
b. banks made the decision to closs many branches because people were investing in the stock market and not putting their money in banks.
c. the government suspended trading on the stocm market, leaving the banks no way to get the money they had invested in the market.
d. companies used the profits they made in the stock market to start new types of banks, causing established banks to close.

The array of significant individuals who serve as sources of social support is called the social

Asociologist wants to study a culture that occurs in some women’s prisons: “state families,” in which individual prisoners take on certain roles within a group of like-minded prisoners. there is previous evidence that younger prisoners will use older inmates who play the roles of grandparents as a resource before they will turn to staff for and advice. the lieutenant in charge of a dorm of long-term prisoners offers to gather volunteers to speak to the researcher and also offers to vouch for the integrity of the researcher. the use of this staff is: a valid use of a statistical technique referred to “snowball sampling” wherein the inclusion of the first subject leads to the recruitment of another one subject.a useful tactic in obtaining a sample of prisoners who both meet the criteria and who will be honest with the researcher.wrong and is prohibited; subject selection needs to be free from intervention by prison authorities or prisoners.acceptable only when the researcher’s irb grants a special waiver.

What greek scientist created a screw to move water for irrigation?