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What term describes the daily cycle of temperature?

Nocturnal

Seasonal

Diurnal

Diurnal describes the daily 24-hour cycle of temperature, with surfaces warming during the day as the sun shines and cooling at night after sunset. This pattern captures how temperature repeatedly rises to a daytime peak and then falls, repeating each day. The other terms point to longer timescales or different contexts: nocturnal relates to night-time activity, while seasonal and annual refer to yearly cycles across seasons.

Annual

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