Which process keeps the Earth from having extremely cold temperatures at night? * Process A (Infrared heat escaping into space)
Process B (Sun sending light energy to Earth)
Process C (Infrared heat being trapped in the atmosphere)
All of them. All three processes keep the Earth warm at night.
None of them. It's some other process that keeps the Earth warm at night.

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.