Simon and his friends are working on an experiment to determine the most common blood type group in california. which of these methods would be the best form of data collection?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

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?

If you relate the doppler effect on sound to the color of light waves, a police car would be the color as it approaches and the color as it recedes away from the observer.