A landfill liner is made of

• just clay
• clay and plastic
• just plastic
• none of these options

When trash is burned in an incinerator, it is completely destroyed and no waste is still present.

• True
• False

Rainwater falling on a dump dissolves chemicals from the wastes, forming a liquid called _________________ that could pollute rivers, streams, and groundwater.

• liquid waste
• trash effluent
• leachate
• runoff

Landfill liners will

• always hold the pollution.
• can be fixed.
• will eventually leak.
• are perfectly made.

What waste is consumer produced?

• hazardous waste
• industrial waste
• municipal waste
• e-waste

In the US where does our trash go?

• Landfill
• dump
• incinerator
• recycling center

What is a landfill?

• open pit
• built structure to hold trash
• a deep hole covered with plastic once filled
• a hole to compost the trash

What gas is burned off at the landfill?

• landfill gas
• carbon dioxide 
• methane
• sulfur

What is a benefit in using the landfill gas?

• increase biodegrading
• preventing gases from entering soil
• provides more space
• cuts down on greenhouse gasses

When something biodegrades it

• decompose or break down
• are not allowed in an incinerators
• take up too much space
• eventually become radioactive