Toxic metals can be persistent.Logical formLearned from5 sentences. (Chemical additives) can be toxic.Logical formLearned from5 sentences. Toxic effects of pesticides can be worrisome.Logical formLearned from5 sentences. A cocktail can be constituted-of-or-filled-with toxic substances.Logical formLearned from5 sentences. An aspect can be toxic.Logical formLearned from5 sentences. A gene can be toxic.Logical formLearned from5 sentences. Fish can be toxic.Logical formLearned from5 sentences. (Substance releases) can be toxic.Logical formLearned from5 sentences. A (soil fumigant) can be toxic.Logical formLearned from5 sentences. Toxic waste may undergo a substance.Logical formLearned from5 sentences. (Hydrogen sulfide) can be toxic.Logical formLearned from5 sentences. Pieces can be toxic.Logical formLearned from5 sentences. Medications can be toxic.Logical formLearned from5 sentences. (Chemical discharges) can be toxic.Logical formLearned from5 sentences. Micropollutants can be toxic.Logical formLearned from5 sentences.