Please help me in this one​

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

Acommon kind of mechanical weathering is called

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?