सूची-I (डेविस के भू-आकृतिक चक्र के चरण) को सूची-II (संबंधित विशेषताएं) के साथ सुमेलित करें और सही कोड चुनें: सूची-I1. प्रारंभिक चरण2. युवावस्था (युवा चरण)3. प्रौढावस्था (प्रौढ़ चरण)4. वृद्धावस्था (वृद्ध चरण) सूची-II a. जलगर्तिकायें (पॉटहोल्स) एवं V-आकार की घाटियाँ b. मोनाडनॉक c. भूभाग का तीव्र उत्थान d. विसर्पण एवं घाटी का चौड़ा होना

The crescent-shaped sand dunes found in Sam, Jaisalmer are scientifically known as:

With reference to fjords, consider the following statements: I. They are deep, narrow inlets carved mainly by glaciers and later occupied by seawater. II. The shallow sill near their mouth is generally associated with glacial deposition rather than with tectonic uplift alone. III. They are chiefly associated with high-latitude or formerly glaciated coasts, rather than with humid tropical landscapes. How many of the statements given above are correct?