Sewage and refuse disposal - JSS1 Physical and Health Education Past Questions and Answers - page 1
Wastewater from homes, businesses, and industries.
Solid waste from homes and industries
Clean water from rivers
Rainwater collected from roofs
Wastewater from sinks and toilets
Solid waste people throw away
Water from lakes and rivers
Treated water from sewage plants
Landfill
Incinerator
Bacteria break down organic matter
Chemicals remove contaminants
Large particles and solids are removed
Waste is burned at high temperatures
Treating solid waste
Collecting and partially treating sewage in rural areas
Incinerating waste
Recycling plastic and glass
It is buried
It is burned
It is recycled
It is turned into compost
Recycling
Incineration
Composting
Landfilling
Burying waste
Burning waste
Turning organic waste into soil
Processing waste materials to make them usable again
What is composting?
Burying garbage in the ground
Burning waste at high temperatures
Processing waste materials for reuse
Turning organic waste into nutrient-rich soil
Wells
Loading lesson…