Which term refers to the structure that forms the surface of a cell, separating its contents from the outside world? a. endoplasmic reticulum b. plasma membrane c. mitochondria d. capsule

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

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.