Workers find two substances. One is a toxic chemical. The other is a safe chemical. Both chemicals are liquids at room temperature. As a test, the workers transfer the same amount of energy out of the two containers and find that only the toxic chemical changes phase. How is the toxic chemical different from the safe chemical? The toxic chemical has a . . .

5. your analysis of child assessment data shows that a few of the students in your classroom are lethargic and exhibit challenging behaviors before snack time. you note that after snack time and lunch, they're engaged and responsive. what other information might you understand why? a. attendance data, teacher observation checklists, and frequency counts b. anecdotal notations, attendance data, and child health records c. family interviews, daily health check, and behavioral logs d. standardized assessments, time samples, and conversations with other teachers

The resting potential of a neuron refers to a. the electrical polarization of the inside and outside of the neural membrane. b. a brief electrical charge that travels down the axon. c. a capacity to reabsorb neurotransmitter molecules released into the synaptic gap. d. the storage of neurotransmitter molecules within synaptic vesicles.

Select each of the paced steps below. define the problem. conduct an internet search for information. list the alternatives. select the criteria. evaluate the alternatives. make a decision. evaluate the decision.