World Geography विश्व का भूगोल When the sediments deposited by glaciers take the form of circular hills, then it is called?

 World Geography विश्व का भूगोल in english,    question answers in english pdf   questions in english, Know About World Geography विश्व का भूगोल online test World Geography विश्व का भूगोल MCQS Online Coaching in english quiz book