Natural materials would be the best answer I think because prehistoric societies didn’t have much to work with so it had to be natural
Answer:
Mixed income is the (surplus) or deficit accruing from production by unincorporated enterprises owned by households, and Undistributed profits are earnings of a corporation that have not been paid out to investors in the form of dividends.
Explanation:
i found out the definitions from the internet hope this can help
: )
they involve fundamental concepts that are unavoidable by the thoughtful person.
The answer to your question is a.
