The concentration of calcium in a cell is 3%. the concentration of calcium in the surrounding fluid is 1%. how could the cell obtain more calcium?

The cell can obtain more calcium through Osmosis; which is a process whereby solvent molecules move through a permeable membrane from an area of of low concentration to an area of higher concentration.

Its the second one nonmetals are moldable and easily shaped 

Answer/// he concludes that the atom particles can be broken due to the paddle wheel being moved by particles coming out of the metal;