Which of the following represents a biological consequence of irrigation of agricultural fields?

A) lowered water tables when wells are used
B) introduction of fertilizers and pesticides into the water table
C) transmission of diseases by aquatic organisms
D) accumulation of salt in irrigated soils in arid zones
E) environmental effects of engineered structures (dikes, wells, etc.)


Ans: C) transmission of diseases by aquatic organisms

Biology & Microbiology

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