Answer:
a rock's appearance changing over time due to exposure to acid rain
That's an obvious question
They are bousing every where and it became a gass
Solubility is a chemical property referring to the ability for a given substance, the solute, (gas) to dissolve in a solvent (liquid). It is measured in terms of the maximum amount of solute dissolved in a solvent at equilibrium. The resulting solution is called a saturated solution.