How do scholars know that Indo-Aryans raised cattle and depended upon their milk, but later turned to agriculture?
(1 point)
• Archaeologists have found evidence of the changes in tools used.
• The Bhagavad-Gita tells of the ancient people's lifestyle.
• The Vedas provide a record of how the Indo-Aryans lived.
• DNA matches from people today are able to detect the change in diet in bone history.