Which factors can have the greatest effect on the health of a river
system?
A. type of soil and salinity
B. nitrate levels and turbidity
C. human consumption and pH
D. natural disasters and tidal changes

The factors that will have the greatest effect is  ; ( B ) ; Nitrate levels and turbidity

The level of nitrate occurring in nature has a massive effect on the health of a river because nitrate levels above 3 mg/L will contaminate any river.

Turbidity is the level of cloudiness found in water bodies and this is determined by the amount of mud or slit present in the water body. high turbidity makes it hard to see through a water body.

Hence we can conclude that the features that have the greatest effect on the health of a river system is Nitrate levels and turbidity.

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