Anaerobic decomposition of organic wastes in landfills results in ...

[Lobcity]

Anaerobic decomposition of organic wastes in landfills results in the production of ________ gas which is often recovered and used.
 
  A) ethylene
  B) ozone
  C) methane
  D) oxygen
  E) all of the above

Question 2

The principal human health effect of exposure to radon is ________.
 
  A) blue baby syndrome
  B) lung cancer
  C) bone embrittlement
  D) diarrhea
  E) none of the above

[kjo;oj]

Answer to Question 1

C

Answer to Question 2

B

[Lobcity]

Thanks for the timely response, appreciate it

[AngeliqueG]

Wow, this really help