Como se llaman las gráficas donde pueden representar la situación demográfica de un país?

Ithink the answer is ,temperature,pressure, and chemical changethey are identified by texture,streak,and locationthere are three ways that metamorphic rocks can form contact, regional,and dynamic metamorphism good luck, all this came right outta of the book

  the  peripheral nervous system consists of all of the nerves that lie outside the brain and spinal cord.

So were saposed to pick 1 of these

Acknowledge (say you) is the best answer