What is the difference between Old Stone Age and New Stone Age? A. They occured at the same time

B. They produced there own food

C. No difference

D. Old stone age were hunter-gatherer's, new stone age were farmers

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Old stone age were hunter-gatherer's, new stone age were farmers

Explanation:

Old stone age people were nomadic and new stone age people were sedentary.

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation:

russia because it is the biggest state