The federal reserve entity that makes decisions regarding the conduct of open market operations is the
a) board of governors.
b) chairman of the board of governors.
c) federal open market committee.
d) open market advisory council

C) Federal Open Market Committee.

Explanation:

The Federal Reserve is the governing body responsible for the conduct of US monetary policy, which is the conduct of interest rate policy and the decision to sell or buy debt securities in the open market.

The purchase and sale of securities is a decision that is up to the Federal Open Market Committee, which is a body specializing in this type of monetary policy. According to studies and perception of the economic scenario, the Federal Open Market Committee buys / sells securities to inject / decrease the amount of currency in circulation in the economy and thus to keep inflation under control and the healthy economic environment.

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.

explanation:

may i ask what challenges?