Elvis eats a peanut butter sandwich for lunch. Peanut butter contains a lot of protein, and bread is mostly starch Elvis plans to go for a run later this afternoon. He is breathing normally what does he need from the food he ate and the air he breathes so that he can go on his run? How do Elvis's body systems to work together to get molecules he needs into his cells? How do his cells use these molecules to release energy for his body to run?

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.