How many types of rocks can form from the rock cycle?

Are the earth's ocean floor and continents the same age geologically? why or why not?

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?

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?