Big Bang
Big Bang is the dominant cosmological theory about the early development of the universe. Cosmologists use the term "Big Bang" to refer to the idea that the universe was originally very hot and dense at some finite time in the past.
Answer:
During the Mediaeval period, a large number of foreign travellers such as Ibn Battutah, Marco Polo, Alberuni etc visited India and have left an account of their observations.It is through these accounts that we have come to know about India in that period. Such accounts by foreign travellers are known as travelogues.
The answer is C. Only a little above average compared to other countries.
