The salt content of a substance a. sun b. convection c. salinity d. heat

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

Variety of living organisms; includes genetic, species, and ecological types.

What causes darkening of the skin as melanin production increases