Well the stretchability relates to bubble size because the strechier the gum is the bigger bubble it will be able to make.
They are most related to damselflies.
Cohesion: When water molecules stick to one another through cohesion, they fill the column in the xylem and act as a huge single molecule of water (like water in a straw). Capillary action: Capillary action is the movement of a liquid across the surface of a solid caused by adhesion between the two.
