The correct answer is - a) Geological processes contribute to the formation of vents in that region.
The western part of the United States is geologically much more active than the other parts of the country. This is due to the geological activity in the region which is caused by the subduction of the heavier oceanic Pacific tectonic plate under the lighter North American tectonic plate. Because of this, the pressure, temperatures, magma, gases, form the mantle are able to come to the surface, and one of the results is the hydrothermal activity.
Warm the person by wrapping him or her in blankets or putting dry clothing on the person. Do not immerse the person in warm water. Rapid warming can cause heart arrhythmia. If using hot water bottles or chemical hot packs, wrap them in cloth; don't apply them directly to the skin.
North Carolina (right below Virginia), West Virginia (above Virginia), Kentucky (left of Virginia) I might be missing something, but those are the states that touch borders with Virginia. <span />