3 there are 3 of them....
Answer:
hydrogen and helium among other elements these are the heaviest element found in the Star .
The answer is B cuz the products of cellular resp are the reactants of photosynthesis (photosynthesis uses what cell resp makes)
According to the definition of the periosteum,
The periosteum is a membrane that covers the outer surface of all bones, except at the joints of long bones.
