Gas bubbles are small pockets of gas that can form in liquids or solids. They occur when gas is released from a solution or when gas is produced by a chemical reaction. Common examples include bubbles in carbonated drinks, where carbon dioxide gas is dissolved in liquid and forms bubbles when the pressure is released. In nature, gas bubbles can also be found in underwater environments, such as in volcanic eruptions or during the decomposition of organic matter. These bubbles can rise to the surface, creating visible disturbances in the water. Understanding gas bubbles is important in fields like chemistry, geology, and engineering.