Leaves curving towards sunlight are examples of

positive phototropism.

Explanation: Phototropism is the movement of the plant because of external stimuli. If the plant mives towards the sunlight to generate energy it is called positive phototropism. If it moves or grows away from the sun it is called negative phototropism or skototropism.

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.