I believe he leaned heavily on his own words
Answer: Cytoplasm
According to answers.com
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 <span>time period between the Neolithic and the Bronze </span>Age is the copper age and the <span>Paleolithic is the earliest period of the Stone Age.</span>
Answer:
15
Explanation:
I took the test and I'm pretty sure this is it