Final answer:
The most effective thing Kim can include to create tension in her stories is conflict.
Step-by-step explanation:
The most effective thing that Kim can include to create tension in her stories is conflict. Conflict refers to the struggle or problem that the characters face in the story. It can be internal (within the character's mind) or external (between the character and an outside force). By introducing conflict, Kim can create a sense of suspense and keep the readers engaged in the story, wondering how the conflict will be resolved.
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