The desert biome covers about one-fifth of Earth’s surface. Deserts seldom get more than 50 centimeters (20 inches) of rainfall a year, and the organisms that live in deserts are adapted to this extremely dry climate. Select ALL of the factors affecting the desert ecosystem that are NOT biotic. A) water B) winds C) dust storms D) nocturnal populations E) availability of food sources

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.

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.