The ozone layer

7 important questions on The ozone layer

Out of which layers is the Earth's atmosphere made up?

- troposhere, ayer coest to the earth 12km thick
- stratosphere lies above the troposphere and isabut 40 km thick.
- both layers contian ozone

What does the Earth's ozone layer do?

it absorbs most of the usnlight and therefore it protects all life from the sun's harmfull ultraviolet radiation.

What detroys ozone?

CFC's, thus making the ozone layer become thinner.
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What has happened with the ozone layer above the Antarctic?

It has become so thin that this has become known as the hole in the ozone layer

How is the use of CFC's reduced?

since 1996, production and import of most harmful  CFC's is forbideen
-modern refrigerators do not contain these coolants any more
- dscarded refrigerators are collected, specialized companies remove the CFC's  and then the appliances are dismantled
- The CFC's are used to refill old, leaking refrigeration equipment
- 1 sth January 1999 no longer legal to trade old, discarded refrigerators and freezers.

What does summer smog contain a lot of?

of ozone. Thiz ozone in smg is formed during a reation between strong sunligh and certian pollunats, such as products released during the burning of fossil fueals.  OZone in summer smg poses a threat to people with repiratory problems.

What happens with part of the ozone frm the summer smog?

it gathers in the top layer of the troposhpere. THTere the ozone functions as a greenhouse gas and thus enhances the greenhouse effect. The largest temperature increases due to oone are  in norhtern latitudes.

The question on the page originate from the summary of the following study material:

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