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?
1)chest compressions are done to pump the heart.
2)chest compressions are done to strengthen the rib bones.
3)chest compressions increase carbon dioxide inhalation.
4)chest compressions allow the patient's muscles to wake up.

What are the types of mutations, and how does each alter the encoded protein? college level answer

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat.o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat.habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

What are the result of when individual components in an organism interact with others to create noval stucture and function called