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2 votes
D-Term Exam

In ancient and
medieval China,
was used for
fertilizer throughout
the fields.
A. nitrogen
B. silt
C. human waste

2 Answers

3 votes
Human waste was used to fertilize the fields
User Borat Sagddiev
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7.5k points
3 votes

I'm not absolutely sure but it might be silt

User Nivetha
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