All spheres of earth are interrelated or interdependent. this means a. they are separate spheres and function independently b .they are related in that they are of earth and function for earth c. they all depend on each other to function; an impact to one sphere usually affects another d. one cannot exist without the other

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.