Answer:
Chemical Fertilizers
C. Algal blooms followed by eutrophication  is the correct one
Stockyard Runoff
Correct D. Increased biological oxygen demand/decreased dissolved oxygen
Soil disturbance
Correct A. Erosion, flooding; clogged shipping channels and harbors
Pesticides
Correct B. Reproductive failure, poisoning, and/or death (pollinators, pets, livestock, predators, children)
Explanation:
For industrial agriculture to be effective and productive today, we have to take into account many factors so our practices function in a good way. When it comes to chemical fertilizers, it is NOT a risk the Increased biological oxygen demand/decreased dissolved oxygen , the correct risk is algal blooms followed by eutrophication. Regarding Stockyard Runoff  it is wrong to think the algal blooms followed by eutrophication  as risk, the actual risk is the increased biological oxygen demand/decreased dissolved oxygen. The risk in soil disturbance is the erosion, flooding; clogged shipping channels and harbors  and thinking about pesticides , they are in risk for reproductive failure, poisoning, and/or death (pollinators, pets, livestock, predators, children) .