What is coordinated stasis? a pattern in which most new species appear at different times than one another a theory that new species appear only after catastrophic environmental changes a pattern in which most new species appear at about the same time a theory that the origin of species is through adaptation by natural selection

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.