Answer:
e. is produced by the absorption of UV radiation.
Explanation:
The thermosphere is a layer of Earth's atmosphere which is directly above the mesosphere and below the exosphere. It extends from about 85 to 500 km altitude above the earth.
In the thermosphere, the temperature is strongly dependent on the level of solar activity. When the Sun is very active and emitting more high energy radiation, the thermosphere becomes hotter by X-ray and UV radiation absorption.
Export value is the export amount of the commodity.
Answer:
2.
1.Electronics test and test equipment are essential elements of electronics and radio. Electronic equipment can develop failures, or it may not work properly when it is built. In order to discover whether a circuit is working, and then where the problem is located, it is necessary to use various forms of test equipment.24 Oct 2020
Answer:
The Pampas have rich, fertile soil and predictable rainfall patterns. They are the most important grazing and cropland areas on the continent. A coastal plain is an area of low, flat land next to a seacoast.
