What statement best explains the reason for the decrease in available energy with each higher trophies level? A) Some energy is lost to the environment. B) Some energy is converted into non living matter. C) Some energy is consumed by the producers. D) Some energy is broken down by the decomposers.

the answer is a or when it says crossing over

coal is not sustainable because it will one day run out.

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion

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.