Montreal Protocol
Significance of Ozone layer
Effects of Ozone hole
Ozone Hole
Ozone Layer
100

When was the Montreal Protocol created

1987

100

Why is the Ozone hole essential for life

It absorbs most of the sun's harmful radiation

100

Why is the ozone layer important for plant growth?

It protects plants from excessive UV radiation which can damage plant cells

100

When did the Ozone Hole appear?

Late 1970s 

100

What is the Ozone layer made out of?

Ozone gas

200

Who started the Montreal Protocol 

The United Nations Environmental Programme

200

What does the Ozone layer protect us against?

UV radiation

200

Could UV radiation affect plants/agriculture

Yes

200

Why did the Ozone Hole appear

CFCs (Chlorofluorocarbons) 

200

What does the Ozone layer appear like

A pale blue-white band / colourless
300

How many parties signed the Montreal Protocol.

197 UN members

300

What percent of UV-b radiation does the Ozone layer absorb

95%

300

What could UV radiation do to the human body

Cancer / Skin cancer
300

What Protocol was created due to the Ozone Hole?

The Montreal Protocol

300
What is a man made chemical that released chlorine or bromine atoms that destroyed the stratosphere. 
CFCs
400

Thanks to the Montreal Protocol when does scienticts predict that the Ozone Hole will recover?

2066

400
How does the Ozone hole contribute to the survival of marine animals
The Ozone hole protects phytoplankton
400

What is another effect of UV radiation apart from skin cancer

Cataracts

400

When was the Ozone Hole discovered?

1984-1985

400

How far away is the Ozone layer from the surface of the Earth

15-35 km

500
What percent of CFCs were phased out due to the Montreal Protocol 

98%

500

How many prevented cases of skin cancer did the U.S Environmental Protection Agency predict from people born in years 1890 to 2100.   

443 million cases and 2.3 million skin cancer deaths

500

Which UV radiation is most strongly linked to skin cancer

UV-b radiation
500

What are the 3 common CFCs?

Refrigerators, Aerosol sprays, Air conditioners

500

What does the Ozone layer sit below?

Below the stratosphere