What is not used as evidence if evolution

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

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.

What are some natural processes that represent physical and chemical changes?