Respuesta :
Answer:
The answer to your question would be true.
Explanation:
For K12 2020, they may have changed the answer before, but it would not be false. The single crop production changed in the late 1800's because of the new inventions they had to make the crops easier. I may be wrong about this explanation because I already did it a long time ago. But I advise if I am wrong to please comment.