The correct option is B. Humans needed different tools than before ones that would make farming easier a conclusion can be drawn about the Neolithic period, based on these artifacts.
What type of tools were used in Neolithic Revolution?
Around 7000 BCE, ground and polished flints, as well as similarly processed chisels and gouges, appeared. These tools were frequently fashioned of jadeite, diorite, or schist, all of which are harder than flint. This is known as the Neolithic Period, or New Stone Period, the age of the ground tool.
Thus, The Neolithic farmer and animal breeder used flint and obsidian tools to cut his meals, reap cereals, cut hides, and other things. Axes for felling trees, adzes for tilling the land, and chisels for working with stone, wood, and bone were all provided by larger tools made of polished stone.
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