![]() ![]() These currents are generated due to radioactive elements causing thermal differences in the mantle portion. How are the convectional currents in the mantle initiated and maintained?Īrthur Holmes in 1930s discussed the possibility of convection currents operating in the mantle portion. Wegener believed that these forces would become effective when applied over many million years. The tidal force is due to the attraction of the moon and the sun that develops tides in oceanic waters. This bulge is due to the rotation of the earth. ![]() The earth is not a perfect sphere it has a bulge at the equator. The polar-fleeing force relates to the rotation of the earth. Wegener suggested that the movement responsible for the drifting of the continents was caused by two forces. What were the forces suggested by Wegener for the movement of the continents? Answer the following questions in about 30 words. Which one of the following is the type of plate boundary of the Indian plate along the Himalayan Mountains?Ģ. (c) Distribution of fossils in different continents (b) Stripes of normal and reverse magnetic field observed in rocks of ocean floor (a) Volcanic activity along the mid- oceanic ridges Which one of the following facts was not considered by those while discussing the concept of sea floor spreading? Which one of the following is not a minor plate? Who amongst the following was the first to consider the possibility of Europe, Africa and America having been located side by side? Lakhmir Singh Science Class 8 SolutionsĬlass 11 Geography NCERT Solutions Chapter 4 Distribution of Oceans and Continents Class 11 Geography Chapter 4 NCERT Textbook Questions Solved.PS Verma and VK Agarwal Biology Class 9 Solutions.NCERT Solutions for Class 9 Foundation of IT.NCERT Solutions for Class 9 Social Science.NCERT Solutions for Class 10 Foundation of Information Technology.NCERT Solutions For Class 10 Hindi Kritika.NCERT Solutions For Class 10 Hindi Kshitiz.NCERT Solutions For Class 10 Hindi Sparsh.NCERT Solutions For Class 10 Hindi Sanchayan.NCERT Solutions for Class 10 Social Science.NCERT Solutions for Class 11 Indian Economic Development.NCERT Solutions for Class 11 Political Science.NCERT Solutions for Class 11 Psychology.NCERT Solutions for Class 11 Entrepreneurship.NCERT Solutions for Class 11 Accountancy.NCERT Solutions for Class 11 Business Studies.NCERT Solutions for Class 11 Computer Science (Python).NCERT Solutions for Class 12 Psychology.NCERT Solutions for Class 12 Political Science.NCERT Solutions for Class 12 Entrepreneurship.NCERT Solutions for Class 12 Macro Economics.NCERT Solutions for Class 12 Micro Economics.NCERT Solutions for Class 12 Accountancy.NCERT Solutions for Class 12 Business Studies.NCERT Solutions for Class 12 Computer Science (C++).NCERT Solutions for Class 12 Computer Science (Python). #The drifting lands book 3 pdfRD Sharma Class 11 Solutions Free PDF Download. ![]()
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