The answer would be sentence structure. This is because chronology is when you organize a piece of writing in the order of how things happen, order of importance is when you organize a piece of writing in order of importance. And comparison and contrast is when you organize your paper by comparing and contrasting atleast 2 different things.
She’s going swimming, so she took her goggles and towel.
Carefully is the adverb
it's describing the action
