Answer: The Paleolithic era is a period from around 3 million to around 12,000 years ago. The Neolithic era is a period from about 12,000 to around 2,000 years ago.
Explanation:
Organum added a new note to the gregorian chants to enhance harmony
1. is c. because looking at it it is definitely not any of the other things.
2. is b. because there is color in it.
3. is b. cause it would be a powder and charcoal is to dark
4. is d. cause when heated it hardens
I hope this helps.
The answer would be C. Mezzotint.