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.
I have a feeling that it's A. making laws
before the arrival of European settlers.
Since early humans needed access to water & fertile grounds for agriculture, people settled near rivers. Rivers & mountains were used as barriers to provide natural borders
true they started May 14, 1804 and reached the November 15, 1805 they get to the pacific ocean