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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
flagSwitzerland
17%
71%
3%
5%
56
flagGermany
18%
70%
3%
5%
569
flagPakistan
20%
70%
5%
5%
20
flagCanada
18%
68%
10%
1%
58
flagthe United States
18%
67%
6%
5%
516
flagthe United Kingdom
25%
66%
2%
4%
204
flagBelarus
11%
66%
14%
7%
77
flagRepublic of Ireland
25%
66%
5%
2%
36
flagPoland
24%
65%
4%
3%
13831
flagIndia
19%
64%
8%
4%
300
flagUkraine
15%
62%
13%
7%
390
flagRussia
9%
58%
18%
10%
380
flagthe Philippines
21%
57%
7%
7%
38
flagGreece
35%
57%
3%
3%
28
flagKazakhstan
12%
51%
22%
8%
70
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 Troposphere
In the Stratosphere
In the mesosphere
In the Thermosphere

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volcanic dusts
sulphuric acid
detergent vapors
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
the first president of Australia
the explorer that first crossed Australia
a famous Australian poet