What is the major question facing india, and south asia as a whole?

South Korea, Vietnam and Indonesia, but also that the region as a whole is on its way to eclipsing the West. ... Today, the Asian continent confronts two major challenges.  Pakistan, also a virtually failed state, faces unprecedented .Civilian rule, all while locked in a nuclear arms race with archrival India

a characteristic is a deep cut in the earth or left over rock aka till.  

i'm sure the answer you are looking for would be

a. an ice age

hope this contact me if this didn't or you need with more answers : )