Which atom contains exactly 15 protons? Oxygen

Phosphorus

Sulfur

Nitrogen

Phosphorus

Explanation:

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.

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added