Answer:
I would say the answer is sustainable agriculture if i'm wrong sorry .
Explanation:
I don't exactly get what you are saying, so I'm practically guessing. If you restate I will gladly help you.
Answer: it is 37 because of PEMDAS
Explanation:
It usually appears as an individual section called Reference.
It locates at the end of the essay, and they are labeled correspondingly with notice in the previous sections as well.