Read the given paragraph and anwer the following questions.

Microliths, small but intricately crafted stone tools spanning 1 to 5 cm, highlight the technological proficiency of the Paleolithic people. Created from materials such as chert and agate, these tools were designed into various geometric shapes essential for survival activities like hunting and gathering. Despite their rudimentary lifestyle, devoid of agriculture or settled housing, the Paleolithic societies showcased remarkable tool-making skills. The archaeological sites across India, including Nevasa in Maharashtra with its links to the Harappan culture, and Isampur in Karnataka, recognized for its quarry-cum-manufacturing significance, provide valuable insights into these ancient communities. Additionally, the Didwana in Rajasthan reveals activities of early human ancestors, while the Gudiyam Caves in Tamil Nadu evidence prehistoric occupation. Notably, the Bhimbetka rock shelters in Madhya Pradesh, a UNESCO World Heritage Site, present traces from the Acheulian era to the Mesolithic period, encapsulating a broad spectrum of human history within its over 750 shelters spread across seven hills, marking it a key site for understanding the evolutionary journey of human societies in the Indian subcontinent.