Author Question: Anaerobic decomposition of organic wastes in landfills results in the production of ________ gas ... (Read 89 times)

Lobcity · **on:** Jul 22, 2018

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