The major issues causing pests to be out of control include structural problems, operational practices, and sanitation. The best response is 'unavoidable,' as it implies a lack of control which is not accurate in pest management. By addressing the other factors, pest control can be effectively managed. ;
The best response is 'unavoidable' since it inaccurately suggests that pest issues cannot be controlled. Factors like structural problems, operational practices, and sanitation can all be managed to prevent pest infestations effectively. Addressing these factors is crucial for successful pest management.
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