Very thin and fragile red blood cells pass through in single file
exchange of oxygen and carbon dioxide happens here
The three phrases above describe the
in our circulatory system.
A)
veins
B)
arteries
capillaries
D)
blood plasma

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.