Could the mitochondrial dna of either james carnegie or countess xenia be used to try to identify the skeleton of tsar nicholas?

What is called the "building block" of life?

Plz ! ive been stuck on this forever

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?