While moleskin refers to the skin of an animal called a mole, that is not the most common meaning for the term. The most common is a heavy napped cotton twill fabric that is extremely soft. The fabric is woven and then sheared to cause a soft, short pile on one side of the fabric.
One thing that stood out to me is that freshmen are given the option to take AP Human Geography, as opposed to Civics and Geography, which has been the only option in the past for the required 9th grade social studies credit.
Physiological Density on the AP Human Geography Exam. One of the most helpful portions of each AP Human Geography Crash Course Review is our focus on the AP Human Geography exam. On your AP Human Geo exam, you may be asked to consider different types of population density.