The correct answer is: a) Microlithic tools
Microlithic tools are small, finely made stone tools that were used by Mesolithic people. They were made by chipping or flaking stone into thin, sharp blades. Microlithic tools were used for a variety of purposes, including hunting, fishing, and gathering food.
Rock art is a type of art that is made by carving or painting on rocks. Rock art is found all over the world, and it can be very old. Some of the earliest rock art is from the Mesolithic period. Mesolithic rock art often depicts animals, hunting scenes, and religious symbols.
Early signs of agriculture are found in the Mesolithic period. Mesolithic people began to domesticate plants and animals, which led to the development of agriculture. Agriculture was a major turning point in human history, and it allowed people to live in larger, more settled communities.
Therefore, the correct answer is a) Microlithic tools.