Please help me and no file the question is in the picture and this is biology

it is a limiting nutrient limited by a single nutrient in the ecosystem, & the single goes very slow.

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.