Which of these scenarios would most likely lead to a higher level of physical fitness among people who live in a city?
a. more people live near a fitness center
b. more people walk to school or work
c. more people carpool with neighbors
d. more people have access to fruits and vegetables

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.