A model of economic development can be toxic.Logical formLearned from2 sentences. A volume can be constituted-of-or-filled-with toxic waste.Logical formLearned from2 sentences. (Water conservation.besides) may be caused by disposal of toxic waste.Logical formLearned from2 sentences. Industries may dispose toxic waste.Logical formLearned from2 sentences. Toxic effects can be in persons.Logical formLearned from2 sentences. Toxic effects may be expected.Logical formLearned from2 sentences. Cocaine can be toxic to a human brain.Logical formLearned from2 sentences. A waste may contain toxic metals.Logical formLearned from2 sentences. A toxic legacy may pertain-to a nuclear age.Logical formLearned from2 sentences. Humans can be toxic.Logical formLearned from2 sentences. A division can be toxic.Logical formLearned from2 sentences. Chemicals may exert toxic effects.Logical formLearned from2 sentences. Select agents can be toxic.Logical formLearned from2 sentences. A select agent can be toxic.Logical formLearned from2 sentences. A (nerve chemical) can be toxic.Logical formLearned from2 sentences.