Which cultural group once preserved food by burying kimchi pots underground during the winter?
A. Turkmen
B. Chinese
C. Koreans
D. nomadic Mongolian herders

C. Koreans

Explanation:

The Cultural groups who were famous for storing food underground in kimchi pots earlier were the Koreans, during winter season.

When the temperatures came soaring down to sub –zero and the coldness of the winter crippled into the food.

It was the  only way to preserve or store the food by storing it in the kimchee pots that kept the food intact and helped it to survive for long period of time.

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c

Explanation:

they make pots and stuuf underground so the clay can dry

racism and segregation.