When breathing, which body was part contracts to help expand the lung and relaxes to allow air exhalation? A. stomach
B. rib cage
C. diaphragm
D. brain

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?

What makes a dominant allele different from a recessive allele

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria