Almost all of the earth’s hydrosphere is contained in
a) clouds
b) crust
c) oceans
d) none of the above

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

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Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.