Which type of engineer is most likely to create a formula for bubble gum that allows for larger bubbles?

A chemical engineer is the most appropriate choice for creating a formula for bubble gum that allows for larger bubbles because this field specifically focuses on the design and optimization of processes that involve chemical transformations. In the context of bubble gum, a chemical engineer would study the ingredients and their interactions at a molecular level, manipulating aspects such as elasticity, strength, and the overall formula to achieve the desired bubble size.

Chemical engineers possess expertise in material properties, mixing processes, and the behavior of substances under different conditions, which directly relates to formulating products like gum. They would explore how to blend different polymers, sweeteners, and flavorings to enhance the gum's properties, resulting in a formulation that supports larger bubbles without compromising the gum's chewability or taste.

Mechanical, civil, and electrical engineers focus on different domains; mechanical engineers deal with the design and operation of machinery, civil engineers handle infrastructure and construction projects, and electrical engineers work with electrical systems and technologies. Their expertise does not directly align with the chemical formulation required to develop a new type of bubble gum. Thus, the role of a chemical engineer is crucial in this specific context, making it the correct choice.