What removes oxygen from the air?
o a) water
ob) sunlight
oc) photosynthesis
od) respiration

What causes the shielding effect to remain constant across a period?

Why would a drug the damages capsids treat a viral infection

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?