topographic forms मीनिंग इन हिंदी

उदाहरण वाक्य

1. It was his mission to determine " step by step the process by which geologic structure, topographic form, and the present and past nature of the climate have shaped man's progress, moulded his history; and thus played an incalculable part in the development of a system of thought which could scarcely have arisen under any other physical circumstances ."