Respuesta :
I believe the answer you are looking for is C.
I think this, because they are not usually found in dead things.
They do not ALWAYS contain oxygen, just commonly.
And they certainly can be synthesized.
I basically just used the method of elimination to get you this answer :)
I think this, because they are not usually found in dead things.
They do not ALWAYS contain oxygen, just commonly.
And they certainly can be synthesized.
I basically just used the method of elimination to get you this answer :)