How does oceanic crust move along mid-ocean ridges?

Which mathematical relationship should you us to convert moles of a substance into grams

Which of the following units is not an official si unit? mole liter kilogram ampere

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion