Maria assembled pictures of the organisms seen here to represent a simple aquatic food chain. what must maria add to make this food chain model more accurate? a) arrows to show the flow of energy. b) the sun and arrows to show the flow of energy. c) the sun, a producer, and arrows to show the flow of energy. d) maria should color the organisms and then add arrows to show the flow of energy.

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.