Scientist define the beginning and end of time periods based on: A. equal amounts of time.
B. The appearance and disappearance of index fossils.
C. solar changes. D. sediment changes.

The deserts of the sahara and australia are associated with

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes

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?