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? a chest compressions are done to pump the heart.
b chest compressions are done to strengthen the rib bones.
c chest compressions increase carbon dioxide inhalation.
d chest compressions allow the patient's muscles to wake up.

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

Ry was studying two populations of the same species of lizards. one population lived on an island and the other lived on the mainland. both populations were affected by a hurricane that hit the island and the mainland with equal force. a year later, henry was testing the gene frequency and saw a decrease in genetic variation in the island species, but not in the mainland species. which best describes a conclusion he might have reached? gene flow greatly affects small populations, but large populations can recover. genetic drift greatly affects small populations, but large populations can recover. gene flow greatly affects large populations, but small populations can recover. genetic drift greatly affects large populations, but small populations can recover.

Hybrid instruments that play sounds that are part sampled and part synthesized are known as: