Explain in detail the processes leading to biological nitrogen fixation in plants. Ensure you outline how the symbiotic relationship between the bacteria and the plant is developed, the genes involved and the function of different enzymes.

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.