Explique como o conhecimento das estações do ano e das fases da lua foram utilizados por povos antigos e, ainda hoje, por povos indígenas.

Compare the composition of the moon's surface with the composition of the earth's surface.

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.

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?