Solid Waste Disposal (Grade 11 NSC Matric Life Sciences): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Solid waste
Solid waste
Unwanted material people no longer need or use
Bio-degradable
Bio-degradable
Organic matter that breaks down naturally via bacteria/organisms
Leachate
Leachate
Contaminated water filtered through solid waste with pollutants
Bio-remediation
Bio-remediation
Using living organisms to clean up environmental pollution
5 landfill problems
5 landfill problems
Visual pollution, disease, water/air contamination, fire hazards
Modern landfill protective barrier purpose
Modern landfill protective barrier purpose
Special linings prevent toxic leachate contaminating groundwater
Gas produced in sealed landfill conditions
Gas produced in sealed landfill conditions
Methane gas from waste decomposing without oxygen
4 recycling benefits
4 recycling benefits
Less pollution, conserves resources, saves energy, creates jobs
Nuclear waste characteristics (3)
Nuclear waste characteristics (3)
Extremely toxic, hazardous for thousands of years, non-biodegradable
Nuclear waste disposal method
Nuclear waste disposal method
Sealed in concrete/lead containers, buried deep underground
