From chilling cold, to comfortably temperate to scorching hot. It depends on what region are you visiting.
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I'm going to suggest heat. You could describe heat as the atomic motion of an object. The movements don't really produce heat they are heat.
Many people describe the shape of Mexico in many different ways. Some will describe Mexico as looking like a blob that has no particular shape.
rugged
it is a thermometer or thermotropic or hyperthermia or hypothermia
government that was set up in Mexico in 1822
The girl could not describe the killer in "Heat Lightning" because the intense heat and blinding light of the lightning obscured her vision, making it difficult for her to clearly see or remember specific details. Additionally, the shock and fear of the moment likely clouded her ability to focus on the killer's features. This combination of environmental conditions and emotional distress hindered her ability to provide a coherent description.
hot
"Searing" is an adjective that can be used to describe intense heat.
The term used to describe when heat gain is equal to heat loss is thermal equilibrium. This means that there is no net change in temperature because the heat gained by a system is equal to the heat lost by the system.
It's mostly desertic.
The Mississippi River is connected to the Gulf of Mexico
The term heat can refer to something being hot or cold. If an object is hot, you could say that it has a lot of heat, and if it is cold, you could say that it has very little heat. However it should be noted that heat and temperature are not quite the same thing. A bathful of lukewarm water contains far more heat, or thermal energy, than a lit candle. Though the candle has a higher temperature.