Final answer:
The mood of the environment in a story is best described by the literary term 'atmosphere'.
Step-by-step explanation:
The mood of the environment in a story is best described by the literary term 'atmosphere'. Atmosphere refers to the overall feeling or emotional tone that is created in a story. It is conveyed through various elements such as setting, descriptions, and the interactions of characters. For example, in a story set in a creepy old mansion with dim lighting and eerie background music, the atmosphere would be described as spooky or mysterious.
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