How are landfills designed to protect the environment?
They have a system of liners that form a barrier which protects the soil, groundwater, and surface water
The liquid and gas that is produced from the buried waste is collected
The landfill is worked on in cells, each cell has to have a liner and mechanisms to collect liquid and gas
All of the above
What is leachate?
Basically water
Water that moves through the soil into landfills
Groundwater that has been contaminated by hazardous waste
Water that extracts particles and dissolved materials as it passes through waste
Is leachate safe for the environment?
Yes
Maybe
No
What gas is produced by landfills?
Methane
Sulfur dioxide
Hydrogen
Oxygen
Some landfills collect the gasses produced and use them for energy.
What happens to waste after it is dumped at the landfill?
Nothing
It is buried
It is compacted and left exposed each day until the whole cell is full
It is compacted and covered with a layer of compost, mulch, or soil at the end of each day
Landfills are the best solution for our waste.
For every $10 spent buying products, how much goes towards packaging?
$0.10
$1.00
$5.00
$7.00
How many types of landfills are there?
3
10
15
30
What is a municipal solid waste (household waste) landfill lined with?
A layer of soil
A layer of clay and plastic
Layers of clay, plastic, and sand
