Answer:
I think its bone, air and hence
Explanation:
Answer:
the answer is b.The model should show the original stem cell dividing to become a differentiated cell and another stem cell.
Explanation:
Answer:
Cell walls
Explanation:
Water is not it, as liquids usually serve no supportive value.
Osmotic pressure is, "the pressure that would have to be applied to a pure solvent to prevent it from passing into a given solution by osmosis, often used to express the concentration of the solution." (Google Dictionary)
Cell walls are rigid shells on the outside of most plants which helps them stay rigid.
