Ozone Day Quiz - Video Based

__-__ kilometers above the surface, a gas called ozone is present

• 45-50 km

• 50 - 55 miles

• 15-35 km

• 25 - 35 miles

What's the primary culprit in ozone layer breakdown?

• 
• 
• 
• 

Which layer of the atmosphere is ozone present in?

• The ozone layer

• Troposphere

• Stratosphere

• Mesosphere

Where are CFC's mostly found?

• Refrigerants

• Aerosols

• Swimming Pool Cleaners

• Pesticides

Do Microwaves in the atmosphere play a role in breaking down chlorine from CFC's which removes an Oxygen from Ozone therefore depleting it

• True

• False

What are areas of damage often called in The Ozone Layer

• Ozone Patches

• Ozone Holes

• Ozone Gaps

• Nothing, they don't have a name

Since when has the ozone layer above the Antarctic been affected by pollution?

• 1960s

• 1970s

• 1980s

• 1990s

In which hemisphere are 90% of CFC's emitted from?

• Western

• Southern

• Eastern

• Northern

In what year did the Montreal Production ban the production of ozone-depleting substances?

• 1989

• 2015

• 1978

• 1959

When are chlorine levels estimated to return to their natural state?

• 25 years

• 50 years

• 75 years

• Never, ozone depleting elements have been shown to continue increasing