Question 46 3 out of 3 points the used oil from a

 Question 46
3 out of 3 points
The used oil from a single car oil change is enough to contaminate ____ gallon(s) of
natural waters.
 Question 47
3 out of 3 points
Now that landfills are designed to decrease the amount of leachate that is formed,
decomposition of waste is much quicker.
 Question 48
3 out of 3 points
Landfill gas can be combusted as a source of energy.
 Question 49
3 out of 3 points
The hazardous heavy metal found in CFL bulbs is _________

 Question 50
3 out of 3 points
You can build (houses, office buildings, etc.) on top of decommissioned (covered and
no longer used) landfills.