Answer:
The most common elements, like carbon and nitrogen, are created in the cores of most stars, fused from lighter elements like hydrogen and helium. The heaviest elements, like iron, however, are only formed in the massive stars which end their lives in supernova explosions.
Explanation:
The answer is Lithosphere. I researched it :)
Answer: Cartilage and Bone are specialised forms of connective tissue. They are both made up of cells embedded in an extracellular matrix.
hope this helps :D
love your pfp btw :3
Semipermeable means the cell membrane can pick and choose what goes out of it and into it. At least, that's what I believe it is.
