Question

Which of the following is carried out by denitrifying bacteria?
break down large, nitrogen rich molecules to simple molecules
build large, nirtogen rich molecules to simple molecules
convert biologically useful nitrogen to gaseous nitrogen
convert gaseous nitrogen to biologically useful nitrogen

WILL GIVE MEDALS!

Answer 1

It's part of the nitrogen cycle... XD

Answer 2

I know but... I'm confusedd! Lol

Answer 3

Me too XD Can we narrow the answers down a little?

Answer 4

break down large, nitrogen rich molecules to simple molecules

build large, nirtogen rich molecules to simple molecules

convert biologically useful nitrogen to gaseous nitrogen

convert gaseous nitrogen to biologically useful nitrogen

Answer 5

So... Umm.. XD

Answer 6

Uhhh... Maybe It is one of the first 2?

Answer 7

Okay! XD

Answer 8

Do things get broken down or built up during the cycle?

Answer 9

I'm checking

Answer 10

Id say it builds it up

Answer 11

So B.. ? (:

Answer 12

What do you think?

Answer 13

Go with B XD

Answer 14

I don't know if it's right or not but try it XD

Answer 15

haha Thanks! (: I will i'll tell you if it's right

Answer 16

Okay! XD

Answer 17

Ah Lol it was C! @ilmc1

Answer 18

Aaah! Sorry XD

Answer 19

Its ok! Haha :)