The layer of the atmosphere has the widest variation in temperature: (C). Thermosphere
Meaning of atmosphere and thermosphere
The Atmosphere can be defined as the layer of gas or layers of gases that covers a planet. it includes all the forms of gasses in a planet.
The thermosphere can be defined as the warmest region in the atmosphere, it varies with respect to the altitude.
In conclusion, The layer of the atmosphere has the widest variation in temperature is the Thermosphere
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