A geologist comes across an unknown rock while out in the field the unknown wrong is partially why and has ability to scratch Gypsum. Which manual is most likely the rug the geologist found

In what for do plants utilize nitrogen? why do they need nitrogen?

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.

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?