Pretty sure its C. Because if you look it up it says that it <span>illustrate the complex relationships among economic, social, and environmental issues </span>
The mountains have emerged where the tectonic plates meet. The collision of the tectonic plates can disrupt the earth causing earthquakes as well as the growth of a mountain. These mountains take awhile to become the giants they are.
There is no skeleton, so no fossil. <span />
The way the moon effects the tides on earth is the gravity between the earth and moon and I would go into more detail but that would take all day
