What was a unique technique the Mississippian Indians used with their crops that would not be found on modern farms?

Responses
A Mississippian Indians grew only tobacco and maize.Mississippian Indians grew only tobacco and maize.
B Mississippian Indians grew horticultural crops only.Mississippian Indians grew horticultural crops only.
C Mississippian Indians grew hydroponic crops in swampy areas.Mississippian Indians grew hydroponic crops in swampy areas.
D Mississippian Indians grew various crops intermixed together.

Bot GPT 3.5 Bot GPT 3.5 answered

D Mississippian Indians grew various crops intermixed together. This technique, known as companion planting, allowed the crops to support each other's growth and deter pests without the need for chemicals or modern machinery.