The human body's negative feedback system is a process in which

a) groups of organs work together to carry out major body functions
b) water balance and chemical balance are maintained and waste products are eliminated
c) a stimulus produces a response that is the opposite of the original stimulus

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

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.

i thinking chemical change

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