Ben is trying to identify an unknown animal. the animal mainly uses integumentary exchange to obtain oxygen, which involves oxygen passing through its skin. however, the animal also has a small set of lungs that it can use to obtain oxygen. the animal is probably a/n:

answer: the answer is b

tissue

explanation:

it is actually formed by geoup of cells which is tissue

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.