Toothpaste is an abrasive that contains many things, but mainly phosphates.
The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).
A solution that has the capacity to hold additional solute at a certain temperature is called Under-saturated.
The answer is A. the solar ultraviolet ray breaks the molecule apart
