Theory Quiz 6: Sustainability

Which of the 6 R’s refers to how we should dispose of used products?

• Recycle

• Repair

• Reduce

• Refuse

What is the name for site of land that is used to dump rubbish?

• Landfill

• Spoilage site

• Brownfield

• Waste area

Approximately how long does it take plastic to decompose?

• 45 years

• 450 years

• 4.5 years

• 4500 years

What food packaging is best for the environment?

• Cardboard

• Plastic

• Glass

• Foil

What “D” is associated with animals losing their natural habitat?

• Deforestation

• Deterioration

• Demoralisation

• Demarcation

What is the word for something capable of decaying into the ground?

• Biodegradable

• Biodiversional

• Biodebatable

• Biodelablable

Approximately how long does metal take to decompose?

• 50 - 500 years

• 5 - 50 years

• 500 - 5000 years

• 5000 - 25000 years

Global warming is linked to increasing levels of carbon dioxide (CO2). What natural resource can convert CO2 into oxygen?

• Trees

• Coal

• Mountains

• Oil

What gas starting with the letter M is found in a landfill sites and is also a greenhouse gas?

• Methane

• Methysilane

• Methylene

• Methanol

Upcycling is the process of transforming a waste product into a new product. What one of the 6 R's is it?

• Reduce

• Reuse

• Recycle

• Repair