The answer for this question is: Appalachian
The Appalachian region has the perfect temperature that allows many type of vegetations to grow.
Not only that, the soil in this region also contained a lot of substances that are very nutritious for plants and could very much help in their growing development.
Options a) and c) essentially say the same thing: that cultures do not change. But it's not true. Thing about how the smartphones are changing our culture now.
Culture is also not inherited as the children of immigrants often identify with the culture of their country and not the culture of their parents.
So the correct answer is d. Cultures are fluid.
