the answer is Mediterranean sea
B. political parties
C. special interest groups
D. political leagues
B. People no longer depended only on hunting and gathering for food.
C. People no longer used stone or wooden tools.
D. People no longer lived in organized societies.
The correct answer is B.
The emergence of agriculture and the beginning of sedentary settlements and civilizations, constituted the start of the Neolithic period of human history. It meant the end of nomadic lifestyles in which humans could only rely on hunting, fishing and gathering for food collection.
Agriculture and sedentarism came together with specialization and division of labor. Specialization allowed to improve the instruments and tools used for each activity and productivity was rapidly enhanced. For the first time in history, men produced more than they could consume and trade started to happen.
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.