Question
What is Ozone hole?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
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$X$
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$Y$
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Protons
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$8$
|
$8$
|
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Neutrons
|
$8$
|
$9$
|
|
Electrons
|
$8$
|
$8$
|

|
|
X
|
Y
|
|
Protons
|
$8$
|
$8$
|
|
Neutrons
|
$8$
|
$9$
|
|
Electrons
|
$8$
|
$8$
|