Answer:
For producing fire, cutting woods and making weapons etc.
Explanation:
Our ancestors using stone in various activities such as producing fires and making weapon or tools for cutting of wood. There are some stones which produces spark while hitting with one another, these types of stones used for producing fires. some stone are pointed and pointed which is used for making tools used for cutting wood and for weapons to kill wild animals for food. This age where axe is made of stone known as stone age.
