The answer is ethere B or D
I think it may be the exosphere
Answer:
Subsistence agriculture is the cultivation of crops, not for the market or for profit, but to feed a farmer and a farmer's family.
Sentence example:
Subsistence agriculture is practiced in many Middle Eastern countries around oases, rivers, and coasts.
Hope this helps, let me know if you need something else!!! :)
Correct answer is D I did this I got it right