The heat the earth receives during the daytime is re-emitted into space at night, especially on a clear, cloud free night. But the key to frost forming on the ground when the temperature is above freezing, say 34-38, is the fact that the ground is a solid object, and solid objects can actually get colder than the air surrounding them.
A perfect example of this is your car. I’m sure you’ve touched the roof of your car at night and noticed that it was cooler than the air. That’s because, like the ground, the car is a solid object and can get colder than the air surrounding it. As a matter of fact, it’s a lot more solid than the ground. And that’s why one of the first places that frost forms is on the roof and windshield of your car.
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Three phrases should be among the most common in our daily usage. They are: Thank you, I am grateful and I appreciate.
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