<span>C. nitrogen and hydrogen shoould be your answer
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Fossils usually provide paleontologists with information about each of the following except <span>Fossils usually provide paleontologists with information about each of the following except DNA</span>
I have a question are you asking what are the molecules of a shark or something
The answer is vitamin D. This is actually a group of vitamins of similar molecular structure responsible for facilitating increased absorption of calcium, magnesium and phosphate from the gut. The most important of the vitamin D compounds are vitamin D3 and D2. While vitamin D can be obtained from your diet and supplements, the major source of vitamin D is from a chemical reaction dependent on skin exposure to the sun.
Growth & repair and maintence if body cells and tissues and its secondary function is energy