If 5 moles of Al are put in a copper (II) chloride solution, how many mole of Cu will come out?

it is called acid bonding

the answer would be c

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

it is the most commonly accepted one