The sound of a police siren that is moving away has wavelengths, and one that is approaching has wavelengths

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

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?

Speed is the ratio of the distance of an object moves to