In the human body, when a tissue becomes damaged it usually is replaced with scar tissue. The liver is a unique organ because it is able to regenerate tissue if it becomes damaged. Which principle from the cell theory supports this finding?

7. describe two strategies that parents can use to cope with stress. 8. describe the three types of childcare available to families. 9. what can parents do to be more involved in their children's education at home and at school? 10. which factors should a parent consider when choosing a childcare option?

The activity of the modern sample is 1.10 bq . how long does that measurement take?

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.