The correct answer is (a) microlith. Microliths are small, thin stone tools that were used during the Mesolithic period. They were made by flaking a larger stone into many small pieces, which were then used to make a variety of tools, such as knives, arrowheads, and fishhooks. Microliths are a hallmark of the Mesolithic period because they are the first type of stone tool that was made specifically for a particular purpose.
A handaxe is a large, bifacial stone tool that was used during the Paleolithic period. It is made by flaking both sides of the stone until it has a roughly symmetrical shape. Handaxes were used for a variety of tasks, such as butchering animals, chopping wood, and digging.
A scraper is a stone tool that is used to scrape or smooth surfaces. It is made by flaking one side of the stone to create a sharp edge. Scrapers were used for a variety of tasks, such as preparing hides, working wood, and processing food.
A burin is a stone tool that is used to make incisions or grooves in other materials. It is made by flaking one side of the stone to create a sharp, pointed edge. Burins were used for a variety of tasks, such as engraving bone, making jewelry, and working wood.