Question

a rancher owns 400 cattle in a feedlot directly above a major groundwater source. to avoid groundwater contamination, what is the ranchers best course of action? spread animal waste evenly and hope for the best construct an impervious manure - storage facility divert the pollution to nearby streams install a groundwater monitoring well

Explanation:

Spreading animal waste evenly may still lead to contamination. Diverting pollution to nearby streams is illegal and harmful to water - bodies. Installing a monitoring well only detects pollution but doesn't prevent it. An impervious manure - storage facility can store animal waste safely and prevent it from seeping into the groundwater.

Answer:

construct an impervious manure - storage facility