_______________ digestion involves the decomposition of organic ...

[darbym82]

_______________ digestion involves the decomposition of organic matter by methano bacteria in the absence of oxygen to produce biogas.
 
  Fill in the blank(s) with the appropriate word(s).

Question 2

Once a landfill is equipped to collect biogas, it can usually produce biomethane for about ___________________ _ years.
 
 

 
  Fill in the blank(s) with the appropriate word(s).

[deja]

Answer to Question 1

Anaerobic

Answer to Question 2

20
twenty

[darbym82]

Excellent

[jojobee318]

Thanks for the timely response, appreciate it