Respuesta :
Answer:
Simple tools like choppers were used for about 2 million years.
Explanation:
- The early human had devised certain techniques to grant himself convenience in day-to-day life.
- One such technique was of the use of sharp tools for cutting and chopping.
- These tools were either made by using the methods of filing, scraping, etc. or were directly used as they were found naturally.
- Tools like choppers helped early human beings in clearing ground for residence and agriculture.