Studying genetically engineered plants that can grow in poor soils or resist infections, increasing the amount of food produced from crops, or studying ways to grow food in areas where it would normally not grow are all ways biologists can improve

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.

The polio virus can cause skeletal muscle paralysis by destroying neuron cell bodies. what area of the spinal cord is destroyed

Which is abiotic? a. tree sap b. insect c. sunlight d. wood table