C. formal regions are known as "formal" because of the characteristics known by the people who live there and/or visit there
Answer:
A subduction zone is a region in which an oceanic tectonic plate slides beneath a continental plate. This action creates volcanic islands and volcanoes along the coasts of continents. It can also generate large earthquakes. If these earthquakes occur offshore in the ocean, they may even generate a tsunami. The oceanic plate also melts during the subduction process, becoming molten rock. This molten material can then push to the surface during volcanic activity.
Explanation:
Plato users! this is the exact answer so you might want to reword it a little
Answer:
Untouchables - Considered subhuman, did worst possible work.
Untouchables exist outside the caste system of the Hindu religion because they are considered so low that some think them subhuman. As a result they are regularly subjected to abuse but there have been efforts to change their situation in recent years.
Brahmin - Priests and learned people.
This is the highest caste/ verna and consists of Priests, Advisors and learned people.
Shudra - Peasants and laborers
This is the lowest/ fourth caste and as seen, consists of Peasants and laborers. They do the menial work.
Vaishya - Farmers and merchants
This is the third highest caste/ verna. Consists of Farmers, traders and merchants.
I would say the answer is A. (Plebs) :)