What are the three classes of non living substances?

Body Fluids, Cellular Secretions, and intracellular matrix are all non living substances. Hope this helps! :)

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

i'd have to say the answer is probable the second option "the geosphere interacting with the atmosphere"