Which of the following are found in the nucleus of an atom? and protons

Protons and neutrons are found in the nucleus. They group together in the center of the atom.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

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.