Yes,oxygen and hydrogen together is a compound!
<span> a creation of a new substance
a </span><span>change in size and shape of a substance
a </span><span>change of appearance
a </span><span>change of appearance
******Physical changes are changes you see in an object or person </span>
Answer:
answer is C spermatogenesis
Osteoblasts
<span>Osteoblasts are
cells are responsible for the synthesis of bone formation. They are cuboidal
cells that are located along the bone surface that comprises 4-6% of the total
resident bone cells. Also, Osteoblast arise from mesenchymal stem cells (MSC)
and MSC give rise to adipocytes, myocytes, Osteoblast and other cell types.</span>
<span>Cells that respond to a particular hormone are referred to as endocrine cells.
and if you are asking from where did i bring the answer just copy the question in google then you will find the answer is endocrine (D)</span>