2. What is isostasy? How does isostasy explain mountain building? Illustrate. July 12, 2017 85 Uncategorized Related Posts : 1. What are ocean currents? Discuss their effects on climate by taking suitable examples (the examples should be one each from North America, South America, Africa and East Asia). Read More 3. Discuss the concepts of volcanism and earthquakes. Also identify the major regions of the world that are affected by these phenomena. Read More Rapid Revision SeriesSuper 50PEP 2026Gurukul FoundationTLP ConnectGurukul AdvancedMains Exclusive ProgrammeSubscribe For Email Updates Enter your email address to subscribe to this blog and receive notifications of new posts by email. Email Address Subscribe Recent Posts UPSC Quiz – 2026 : IASbaba’s Daily Current Affairs Quiz 28th April 2026 DAILY CURRENT AFFAIRS IAS | UPSC Prelims and Mains Exam – 28th April 2026 DAILY CURRENT AFFAIRS IAS | UPSC Prelims and Mains Exam – 27th April 2026 UPSC Quiz – 2026 : IASbaba’s Daily Current Affairs Quiz 27th April 2026 UPSC Quiz – 2026 : IASbaba’s Daily Current Affairs Quiz 25th April 2026 UPSC Quiz – 2026 : IASbaba’s Daily Current Affairs Quiz 24th April 2026 [Admissions Open] ILP 2027 – INTEGRATED LEARNING PROGRAM – The Most Comprehensive 365 Days Online ‘Self-Study Programme’ Recommended by Toppers for UPSC 2027 UPSC Quiz – 2026 : IASbaba’s Daily Current Affairs Quiz 23rd April 2026 [Admissions Open] Baba’s GURUKUL FOUNDATION Classroom Programme for Freshers – UPSC/IAS 2027 – OFFLINE and ONLINE. Starts on 4th May DAILY CURRENT AFFAIRS IAS | UPSC Prelims and Mains Exam – 25th April 2026