The discovery of farming marked the break between what two time periods

The discovery of farming marked the break between two time periods that are stone age and copper age.
When we categorize the history into time periods, this is called ages. A time period between the Neolithic and the Bronze Age is the copper age and the Paleolithic is the earliest period of the Stone Age.

Your answer is b , public works

Iwould like a photo instead of all this and you can’t just go out asking for a paragraph thinking someone will be like oh yeah here it is