The images show the stages of human development. At which stage does cell differentiation start?

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it

plants absorb water from the soil by osmosis. root hair cells are adapted for this by having a large surface area to speed up osmosis. the absorbed water is transported through the roots to the rest of the plant where it is used for different purposes: it transports dissolved minerals around the plant.