The rank of blood cells in a normal person and one with polycythemia is the same. how can you conclude that the person has polycythemia?

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

Explain how light energy is turned into chemical energy? ! due tomorrow!

In the first stage of the nuclear fuel cycle the spent fuel must be transported, processed, and disposed of properly. true or false