Which of the following is an example of an ecosystem

What do nitrifying bacteria convert

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?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?