हालाँकि आग्नेय चट्टानें खनिज संसाधनों से समृद्ध होती हैं, फिर भी महाराष्ट्र में आर्थिक रूप से व्यावहारिक धात्विक खनिज निक्षेप अत्यधिक सीमित हैं और हर जगह नहीं पाए जाते हैं, इसका मुख्य कारण यह है कि ______

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?