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.
Answer:
If the ice caps melted, more sun rays would reach earth. The ice reflects the sunrays but if they disapperead then the sunrays would not be reflected this would increase the effects of global warming. Also water levels would rise since the ice would have melted. meaning beaches might have higher water levels. Also alot animals that lived on the ice caps would die since their natural habitat would be destroyed.
Answer:
c. 65%
Explanation:
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