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 answer to the question above is "improper farming techniques' which is the cause of the freshwater problem in Australia based. Australia uses most of its fresh water for its agricultural activity which is the major source of its economy<span>. A shortage problem would likely happen from this activity.</span>