This is just a different term for a seismograph (earthquakes) .
The earth has an area called the Ring of Fire because there is a 'ring' of volcanic activity created by border between the Pacific tectonic plate and 6 others.
Answer:
Insulin is the key hormone of carbohydrate metabolism, it also influences the metabolism of fat and proteins. It lowers blood glucose by increasing glucose transport in muscle and adipose tissue and stimulates the synthesis of glycogen, fat, and protein.
A region that could be farmed and maintained suitable for human life
Advantage: Because of your accent, some people may be interested in you. Not in you particularly, but since your accent sounds nice, they may be interested from where you are and the history of that place.
Disadvantage: Some people may find your accent weird and stuff, you may get bullied and made fun of because of it.