Mama mia thatsa spicy meataballa
I believe it would be 3 because the higher the number the less acidic and the more basic it is.
Osmosis<span> is the phenomenon of the movement of Solvent molecules from lower solute conc. to higher solute conc. through a semi-permeable membrane to make solute conc. equal on both sides.</span>
I am inclined to say 1. core and mantle... but im not entirely sure...
sorry not much help at all!
Nuclear fusion takes place at the core of the sun