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Layer of atmosphere which is not present over poles is Ozone. It is due to very cold temperature.

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Which atmospheric layer does NOT exist above polar regions?

The thermosphere does not exist above polar regions. The thermosphere is one of the Earth's atmospheric layers, extending from about 80 km to 550 km above the surface. However, the thermosphere is more commonly found at higher latitudes and near the equator than above polar regions.


Is the ozone layer above or below the clouds?

Yes, the ozone layer is above the clouds. It's up in the lower stratosphere, about 12-19 miles (20-30 km) above Earth. There are very high polar clouds that are higher than this, but most clouds are in the troposphere where the highest clouds (in the polar regions) are about 2 - 5 miles (3 - 8 km) above Earth.


What layer of the atmosphere contains the aurora displays?

Aurora displays occur in the thermosphere, which is the layer of the Earth's atmosphere located above the mesosphere and below the exosphere. This layer extends from about 85 kilometers (53 miles) to 600 kilometers (373 miles) above the Earth's surface. The interaction of charged particles from the sun with the Earth's magnetic field and atmosphere in the thermosphere creates the beautiful lights associated with auroras, particularly near the polar regions.


Which layer of the atmosphere can you find streamers of light called the northern light?

The northern lights, or auroras, are found in the thermosphere, which is the layer of the atmosphere located above the mesosphere and below the exosphere. These natural light displays occur when charged particles from the solar wind collide with gases in the Earth's atmosphere, primarily oxygen and nitrogen. The resulting interactions produce stunning displays of light, typically seen in polar regions.


What atmospheric layer does not exist above polar regions?

Polar regions are not actually devoid but have small concentrations of the ozone layer which is a protective layer present in the stratospheric region of earth and which helps in the absorption of the harmful UV radiations coming from the sun. The reason is a pretty obvious one that the CFC's which are used by the mankind for their good are carried towards the poles by polar stratospheric winds which in turn move in the stratospheric region due to the high pressure. These CFC's hinder the rate of formation of ozone thus causing depletion or what we mention as an "ozone hole".


Where can you find the big hole on our ozone layer?

Over the polar regions.


In which layer do auroras occur?

Auroras occur primarily in the thermosphere, which is located about 80 to 600 kilometers (50 to 370 miles) above the Earth's surface. This layer of the atmosphere is where charged particles from the solar wind interact with the Earth's magnetic field and atmosphere, producing the stunning light displays typically seen near polar regions. Additionally, some auroras can extend into the lower part of the exosphere.


Is the thickness of earth atmosphere the same in polar regions as equatorial regions?

Yes, the thickness varies from te equatoral to the polar regions due to the Earth's rotation. The atmosphere is thicker at the equator than the poles. this is due to the earths rotation and centripital force.


Which atmosphere do auroras occur in?

Ionosphere of Near northern hemisphere polar regions


Depletion of ozone layer and formation of ozone hole in polar regions is a phenomenon occurring in the?

Troposphere


Does it rain in the polar regions?

Yes, it can rain in the polar regions during the summer months when temperatures rise above freezing. However, in general, the polar regions are more likely to experience snowfall rather than rain due to the cold temperatures.


Why do hurricanes form in polar regions?

Well, they don't, actually. Hurricanes form in the more tropical regions, never the polar regions. Reason for that is basically there is more moisture in the atmosphere than in the polar regions. For a better explanation, please see the related question below.