Answer:
A)
Explanation:
I found the rest of your question.
A. increased water scarcity B. overfishing C. decreased soil salinity D. deforestation
Overfishing, decreased soil salinity and deforestation are concerns about agricultural production and its effect but the increased water scarcity is not.
Overfishing is considering a fish species from the water and because of that population of fish is lack which is not good.
Soil salinity can stop the plant from growing and also the quality of water.
Deforestation is the removal of forests or trees and it has a big effect on agricultural production.
The Ming emperors made it their capital in 1421 and it remained China's capital till 1912 when the Manchu Empire fell and SunYat Sen turned China into a republic.
the grasslands of South America are a low plain, not mountainous or rain forest