All of the following are roles of microorganisms in the large intestine, except . Select one: a. vitamin K synthesis b. break down cellulose c. wall lubrication d. microorganisms play all of these roles

me two

explanation:

because i hate it

its d lol

; 0

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

the real answer is b. scintillation counter