10 POINTS PLS ANSWER 15:
Which scenario is an example of how the separation of powers affects the US government?
A. The president vetoes a popular law that has been passed by Congress.
B. Congress calls a hearing to ask the head of the EPA to explain the impacts of a new regulation.
C. The Supreme Court rules on a controversial case to outlaw a common practice in many states.
D. During a hearing, a senator argues against approving the presidential nominee for secretary of state.