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In which layer of the atmosphere the aurora is created?

In the Troposphere

In the Stratosphere

In the mesosphere

In the Thermosphere

Auroras are produced when the magnetosphere is sufficiently disturbed by the solar wind that the trajectories of charged particles in both solar wind and magnetospheric plasma, mainly in the form of electrons and protons, precipitate them into the upper atmosphere (thermosphere/exosphere) due to Earth's magnetic field, where their energy is lost.

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Victor Montol wikipedia → Aurora

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Answers by country

Australia

12%

24%

8%

56%

25

Greece

16%

16%

16%

50%

12

India

17%

28%

13%

39%

123

Austria

20%

36%

4%

32%

25

the United States

23%

32%

12%

31%

77

the United Kingdom

17%

32%

25%

25%

40

Poland

21%

35%

18%

23%

1879

Germany

25%

38%

15%

19%

139

the Netherlands

18%

54%

18%

0%

11

The bright circle around the Sun seen in the picture is known as a halo. What causes it?

refraction of light in ice crystals

refraction in the lens of the eye or lens

refraction of light in water drops

reflections from the water surface

Why is the ozone hole dangerous?

it speeds up the global warming

it increases UV radiation

it depletes the oxygen (O2)

it disturbs Earth's magnetic field

This is a rare phenomenon called iridescent clouds. It occurs in the clouds with ...

detergent vapors

small droplets or ice crystals

The sacrifices to Odin were made of ...

humans, hanging them on the tree

food, burning it in the fire

horses, ripping their guts

gold, shoving it in the well