A carbon atom has 6 protons and 6 electrons. Carbon has three naturally occurring isotopes, carbon- 12, carbon-13, and carbon-14. Which of these statements is true about carbon and its isotopes?

the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

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.