How much do you know about Global Warming?

What was destroying the ozone layer?

• hair spray

• nail painting

• CFCs

• FCEs

What is the Ozone Layer?

• it is a layer that protects the Earth from the heat

• it is a layer that protects the Earth from the sun

• it is a layer that protects the Earth from the rain

• it is a layer that protects the Earth from asteroids

Where is the ozone layer?

• 15-30km above our heads

• 20-35km above our heads

• 10-15km above our heads

• 30-45km above our heads

How much UV radiation does the ozone layer filter out?

• more than 75%

• more than 100%

• more than 85%

• more than 90%

During a decade, the ozone layer was reduced about...

• a third part of it

• a half of it

• a forth part of it

• it was not reduced

The Montreal Protocol was signed by...

• Wiston Churchill

• Barack Obama

• Ronald Reagan

• Franklin Roosevelt

To protect the environment...

• only young people must act

• only people with power must act

• nobody must act

• everybody must act

which of these is not a consequence of over sunbathing:

• skin cancer

• cataracts

• hair loss

• damage to crops

Thanks to the Montreal Protocol, in 2030, we will avoid

• millions of skin cancer

• thousands of skin cancer

• hundreds of skin cancer

• dozens of skin cancer

The ozone layer is vital for human beings

• True

• False