Answer:The Legislative Branch. Established by Article I of the Constitution, the Legislative Branch consists of the House of Representatives and the Senate, which together form the United States Congress
Explanation:
The mountainous topography of the Greek peninsula resulted in the isolation of these two city-states.
Athens developed a system that valued philosophy and active political involvement by its citizens in an early form of democracy. (Note that it wasn't full democracy as we'd think of it today, as those who had a political voice were free men, not women or slaves.)
Sparta developed a militaristic system that valued physical training and military service, as well as a strict loyalty to the state.
Answer: B. It can be difficult to determine one's body fat because the test administrator can easily make an error.
The skinfold measurement is used to assess the thickness of a skin fold. This is an attempt to predict the total amount of body fat that a person has. In order for the test to be significant, a person has to assume that body fat is equally distributed over the body. This test is not always reliable, however. It can be very difficult to determine one's body fat, as the administrator of the test can easily make an error or a wrong assumption.