Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll?
-osmosis
-diffusion
-passive transport
-active transport

The correct answer is option D, Active transport

The uptake of mineral and nutrients require lot of energy. Since the mineral ions are in a higher concentration than in the dilute solutions in the soil as compared to the roots of the plant, active transportation takes place across the roots, and the plant absorbs the minerals from the soils around it. Like wise magnesium is also transported through active transport.  

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-lavira : )