(C) The term '$Ozone-hole$' does not refer to an actual physical hole or a gap in the atmosphere.Instead, it refers to the significant depletion or '$

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(C) The term '$Ozone-hole$' does not refer to an actual physical hole or a gap in the atmosphere.Instead, it refers to the significant depletion or '$thinning$' of the ozone layer in the stratosphere, particularly over the Antarctic region.This depletion is primarily caused by the release of chemicals like chlorofluorocarbons $(CFCs)$ into the atmosphere, which break down ozone $(O_3)$ molecules.

Class 9 Science NATURAL RESOURCES Mix Example - NATURAL RESOURCES

Easy

'Ozone-hole' means:

A
$A$ large sized hole in the ozone layer
B
Small holes scattered in the ozone layer
C
Thinning of the ozone layer
D
Thickening of ozone in the ozone layer

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NATURAL RESOURCES

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Mix Example - NATURAL RESOURCES

$(a)$ Why does the Mathura refinery pose problems to the Taj Mahal?
$(b)$ Why do lichens not occur in Delhi,whereas they commonly grow in Manali or Darjeeling?
$(c)$ What is smog? Mention its harmful effects.

Medium

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$(a)$ Where is the ozone layer found?
$(b)$ What is an ozone hole and how is it caused?
$(c)$ State the harmful effects of ozone depletion.

Medium

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Describe the steps and process involved in the nitrogen cycle. Also,show the cycling of various nutrients in this cycle.

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There is mass mortality of fishes in a pond. What may be the reasons?

Medium

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What would happen if all the oxygen present in the environment were converted to ozone?

Medium

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'Ozone-hole' means:

Similar Questions

$(a)$ Why does the Mathura refinery pose problems to the Taj Mahal?$(b)$ Why do lichens not occur in Delhi,whereas they commonly grow in Manali or Darjeeling?$(c)$ What is smog? Mention its harmful effects.

$(a)$ Where is the ozone layer found?$(b)$ What is an ozone hole and how is it caused?$(c)$ State the harmful effects of ozone depletion.

Describe the steps and process involved in the nitrogen cycle. Also,show the cycling of various nutrients in this cycle.

There is mass mortality of fishes in a pond. What may be the reasons?

What would happen if all the oxygen present in the environment were converted to ozone?

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$(a)$ Why does the Mathura refinery pose problems to the Taj Mahal?
$(b)$ Why do lichens not occur in Delhi,whereas they commonly grow in Manali or Darjeeling?
$(c)$ What is smog? Mention its harmful effects.

$(a)$ Where is the ozone layer found?
$(b)$ What is an ozone hole and how is it caused?
$(c)$ State the harmful effects of ozone depletion.