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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
In the ozone layer, ozone molecules absorb UV-B and UV-C radiation - short wavelength forms of ultraviolet that can disrupt organic molecules, producing cancerous changes in living cells.
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Answers by country

it speeds up the global warming
it increases UV radiation
it depletes the oxygen (O2)
it disturbs Earth's magnetic field
answers
flagAustralia
17%
80%
0%
2%
45
flagFrance
9%
77%
13%
0%
22
flagAustria
16%
76%
3%
3%
65
flagGermany
19%
70%
3%
5%
562
flagSwitzerland
18%
70%
3%
5%
55
flagPakistan
20%
70%
5%
5%
20
flagCanada
18%
68%
10%
1%
58
flagthe United States
18%
67%
6%
5%
508
flagthe United Kingdom
25%
66%
2%
4%
200
flagBelarus
11%
66%
14%
7%
77
flagPoland
24%
65%
4%
2%
13813
flagRepublic of Ireland
25%
65%
5%
2%
35
flagIndia
19%
64%
8%
4%
300
flagUkraine
15%
62%
13%
7%
390
flagRussia
9%
58%
18%
10%
379
flagthe Philippines
21%
57%
7%
7%
38
flagGreece
35%
57%
3%
3%
28
flagKazakhstan
13%
51%
22%
8%
68
flagKG
25%
42%
17%
10%
28
flagUzbekistan
20%
40%
25%
15%
20

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

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In the Thermosphere

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volcanic dusts
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small droplets or ice crystals

The Australian Gibson Desert is named after Alfred Gibson. Who was he?

a man who got lost in the desert
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a famous Australian poet