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list four pros and cons of pesticides in agriculture.
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pros of pesticides in agriculture: 
1. pesticides can help protect crops from predators.
2. pesticides can help control and prevent pests from damaging crops.
3. pesticides can act as a barrier to prevent new infestations.
4. pesticides can provide cost savings for farmers.

cons of pesticides in agriculture:
1. pesticides can be toxic to humans and other animals.
2. pesticides have the potential to harm non-target species.
3. pesticides can leech into groundwater and contaminate natural water sources.
4. pesticides can cause resistance in pests, becoming ineffective in the long run.
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