Not having the source material my guess is D
सामाजिक स्थिति र भूमिका बीचको सम्बन्ध
The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth furnace. The key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron.
According to Wikipedia.com
Answer: Online retailing
Explanation: Online retailing or what is called electronic tailing (e-tailing) is nothing but online sales where someone can sell services and goods, intellectual property, etc. It is a matter of retailing like when you go to a store and buy something for your needs, only this is done electronically here, i.e. through online shopping. Online retailing can take place between a seller and a buyer, or also between two sellers or two businesses, known as B2B.
Answer:
Ehrman attributes the rapid spread of Christianity to five factors: (1) the promise of salvation and eternal life for everyone was an attractive alternative to Roman religions; (2) stories of miracles and healings purportedly showed that the one Christian God was more powerful than the many Roman gods;
