Soda is bottled under high pressure so that more carbon dioxide will dissolve in the drink. When you open the bottle, you suddenly decrease the pressure and the carbon dioxide comes bubbling out of solution. This is a practical example of which law

henry's law

Explanation:

At a constant temperature, the amount of a given gas that dissolves in a given type and volume of liquid is directly proportional to the partial pressure of that gas in equilibrium with that liquid.

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.