Answer and explanation:
The answer for the present task would be as follows:
Today, <u>half</u> of students with disabilities access the general education curriculum and receive their education in the general education classroom at least <u>most</u> of the school day.
Which I personally think it is the best option for these type of students.
The official President of the Senate is the Vice-President. (https://www.senate.gov/reference/Index/Vice_President.htm) so that might lead to some conflict between the branches of government. Imagine if the President could order his deputy to decide who was on which committee or who could speak during a proceeding. The executive branch could shape the Senate by putting members of their party in positions of power even if they did not have a majority.
Answer:
The main threat to internal validity here is History.
Explanation:
Internal validity refers to how well a research is conducted. Internal validity determines if it's the independent variable (or another factor) that caused or resulted in the change in the dependent variable.
History here alludes to the internal validity threat that refers to events outside of the experimental setting (increase in cigarette taxes) that may affect the dependent variable (smoking cessation).
