What do you mean? re-word it for me and ill answer your question.
The answer to your question Is letter B.Defended. Hope I helped.
Physical characteristics include land forms, climate, soil, and natural vegetation. For example, the peaks and valleys of the Rocky Mountains form a physical region. Some regions are distinguished by human characteristics.
Because it has no vaccine
Traditionally economists have considered culture customs and religion as relatively unimportant factors in explaining the choices consumers make.