A form can be toxic to humans.Logical formLearned from3 sentences. A removal of heavy metals may reduce levels of toxic waste.Logical formLearned from3 sentences. A resource can be toxic.Logical formLearned from3 sentences. Toxic substances may be found in cigarettes.Logical formLearned from3 sentences. A sulfide can be toxic.Logical formLearned from3 sentences. Sulfide can be toxic.Logical formLearned from3 sentences. Toxic effects can be measurable.Logical formLearned from3 sentences. Marriages can be toxic.Logical formLearned from3 sentences. Adverse effects can be toxic.Logical formLearned from3 sentences. A person may succumb to toxic effects of a drug.Logical formLearned from3 sentences. A person may use toxic substances.Logical formLearned from3 sentences. A playground can be toxic.Logical formLearned from3 sentences. A plant can be toxic to animals.Logical formLearned from3 sentences. A faith can be toxic.Logical formLearned from3 sentences. Zinc can be toxic to plants.Logical formLearned from3 sentences.