TLS Online TPP Program

#Question id: 40533


Consider the statements about landfill engineering:
1. Liners reduce contaminant migration.
2. Gas vents prevent pressure buildup.
3. Landfills function best under aerobic conditions.
Which statements are correct?

#Environmental Science
  1.  1 and 2 only
  2.  2 and 3 only
  3. 1 and 3 only
  4.  1, 2 and 3