In the east, the Ural Mountains separate Europe from Asia. The nations of Russia and Kazakhstan straddle both continents.
Answer:
Read Below (2 Examples)
Explanation:
1: You can use a GPS and try to find directions to a certain place.
2: when your lost you can use it to track yourself back to your own home.
Hopes this Helps :D
So, the Earth has different layers. If you were to open it up, you'd see the crust, mantles, core, etc...
From what I know studying the Earth's interior, I would say C. Volcanoes because of the heat coming from the layers of the Earth.
If you would like further explanation, or if I'm wrong, let me know, and I can elaborate or re-evaluate and fix it! Hope this helps!!